Clean Reinstall Windows 11

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Windows 11 reinstallation is not an easy way if you have never reinstalled Windows. How to reinstall Windows 11 without losing data? You are lucky enough and this post from MiniTool Solution is written here to show you 3 simple methods. Just have a try when need. In many cases, you need to reinstall Windows 11. For example, when your PC suffers a fault and fails to boot up, the common solution is to reset the PC.

If blue screen of death (BSOD) errors always appear or the PC gets slow or hangs randomly, the safe option to mitigate downtime and loss of work is reinstalling Windows 11. The reinstallation of Windows can also reverse a fault update, driver update, or security patch. Besides, if you decide to give away & sell your computer or want to get rid of bloatware and malware, reinstalling Windows is a good idea.

Whatever the reason is, the reinstallation of Windows 11 is confusing, especially there are a few ways to do this task and each one has its differences. But it doesn’t matter and now let’s see a complete and detailed guide on how to reinstall Windows 11.

We strongly recommend that you should back up your important data before making this kind of this huge change to your PC. Most of the time, reinstallation means data loss and you may lose documents, files, photos, and others.

Wrapping Things up

To keep significant data safe, you can use a professional and free Windows 11 backup software to back up your PC. MiniTool ShadowMaker is compatible with multiple operating systems including Windows 11/10/8.1/8/7.

With it, you can easily and efficiently back up files & folders and create a system image. This software allows you to create a bootable USB drive with MiniTool Media Builder to restore the PC to a previous date when the system fails to load. File sync and disk cloning are also supported.

Why Format and Reinstall Your Windows 11 PC?

Importantly, you can run MiniTool ShadowMaker to perform automatic backups, incremental and differential backups for only newly added or changed data. Want to create automatic file backups in Windows 10? This post shows you how to automatically back up files to an external hard drive with ease.

# Backup Essential Files

Now, don’t hesitate and click the following button to download MiniTool ShadowMaker and install it to your PC to start data backup. How to back up data on your computer with this free backup software in Windows 11?

Follow these instructions below.

# Prepare C drive

What do I need to back up my computer? What files should I back up? Now, get the answers to these two questions in this post.

Step 1: Double-click the MiniTool ShadowMaker icon on the desktop to launch this backup program to its main interface. Step 2: To back up files or folders, click the Source section under the Backup tab, click Folders and Files, select items that you want to back up, and then click OK to go back to Backup.

Step 3: Click Destination and choose a path to save backed-up files.

  1. Usually, an external hard drive or USB flash drive is a good choice.
  2. Step 4: Click Back up Now to execute the data backup task at once.
  3. Now, you should have backed up your important data successfully.

    Next, it is time to reinstall Windows 11.

  4. Move to the next part to get details.
  5. In this part, you can know three ways to reinstall Windows 11:.

    Reinstall Windows 11 by Mounting an ISO File.

  6. Reinstall Windows 11 via Reset PC. Clean install Windows 11 from USB.
  7. Some of you may ask how to reinstall Windows 11 without CD or how to reinstall Windows 11 from USB.

    The answer to this question is to use an ISO file of Windows 11 to install the Windows OS.

It is a straightforward process and this offers you an option to keep personal files and settings while reinstalling Windows.

#1. Restore the backup to the computer

See how to install Windows 11 via an ISO file:. Step 1: Before installation, you need to mount the ISO file onto your PC system. To do that, go to the local storage to find the Windows 11 ISO file and right-click it to choose Mount from the context menu.

Step 2: Double-click the mounted drive to open it and double-click the setup.exe file to run Windows 11 Setup.

  1. Step 3: A window appears and you should click Next to continue.
  2. Step 4: This setup app will start and prepare something.


    Step 5: Read Microsoft software license terms and click Accept to go on.

  3. Step 6: A popup appears to ask you to choose what to keep. Three options are for you:.
  4. Keep personal files and apps (This only resets Windows settings).

    Keep personal files only (Settings and apps will be deleted but files will be kept.).

  5. Nothing (Everything including files, apps, and settings will be deleted.).
  6. Just choose one based on your need and continue by pressing Next.

    In my case, I cannot choose the second option and I get a message saying “Your files, apps, and settings can’t be kept because you’ve chosen to install Windows 11 using a different language than you’re currently using”.

If you also run into this situation and still want to keep personal files and apps, go to Control Panel > Clock and Region > Region > Administrative > Change system locale and set it to English (United States).

Then, restart your PC and start the installation process again. Step 7: Windows 11 Setup will check for updates. This will take a few minutes and wait patiently. Step 8: After everything is ready, you will get the following window.

If you want to change the type of files you want to keep, click on Change what to keep. To reinstall Windows 11, click the Install button.

Tip: This way to reinstall Windows 11 is only useful when the PC can boot properly. If the machine cannot load to Desktop, you can try to reset your PC from Windows Recovery Environment (WinRE) or perform Windows 11 clean install.

2. Reset PC and Reinstall Windows 11 via Recovery Mode

1. Download the Windows 11 ISO

In Windows 11, Microsoft allows you to reset your PC if it isn’t running well.

This can let you choose to keep your personal files or remove them and then reinstall Windows. How to reset Windows 11? In this part, we will show you two options. Related article:How to Reset Windows 11? [Step-by-Step Guide].

3. Reinstall or Clean Install Windows 11 from Bootable USB

Reinstall Windows 11 from Settings. If your system can boot up normally and you can go to reset your PC via Settings to install Windows. Here is what you should do. Open Windows 11 Settings by pressing Win and I keys on your keyboard.

Move to the System page, click Recovery, and scroll down to find Recovery options.

  1. Click the Reset PC button from the Reset this PC section.
  2. A window pops up and asks you to choose an option to continue.
  3. Keep my files: this can remove apps and settings but leave personal files on your PC.
  4. Remove everything: this can delete all of your apps, settings, and personal files. To reinstall Windows 11 without losing data, you should select the first one.

    • To perform a clean install of Windows 11, select the second option. You will get the following popup to ask you to decide whether to install Windows 11 via the cloud or locally.
    • Select one based on your needs. Cloud download: this can download new Windows system files from Microsoft servers and it will use more than 4GB of data.

    Local reinstall: this uses the files already present on your local storage to reinstall Windows 11.

You can see the current settings for resetting the PC in the new window. Click Next to continue.

How to Reinstall Windows 11

Tip: If you want to change these settings, click the Change settings link, confirm the change, and Windows will take a while to load the next screen.

  1. Windows lists down things that resetting will do.
  2. Just click the Reset button to start the reinstallation process.
  3. This will take a few minutes and wait patiently.
  4. Reinstall Windows 11 from Recovery Mode.

    • What if your computer cannot boot up normally? How to factory reset Windows 11 and reinstall it? The operation is not difficult.
    • Here is how to perform Windows 11 factory reset from boot:. Start your computer to Windows Recovery Environment (WinRE) via a repair disc or force reboot (several times).

    Go to Troubleshoot > Reset this PC.

Choose either keeping personal files and refreshing Windows settings & apps or removing everything.

How to Clean Install Windows 11

Select an installation method – Cloud download or Local reinstall. Complete the resetting process by following the wizards on the computer screen.

  1. Tip: Sometimes you cannot reinstall Windows 11 via Reset PC with an error saying Windows can’t find the recovery environment.
  2. To fix this issue, find solutions from this post - Top 3 Solutions to Could Not Find the Recovery Environment.
  3. This requires an installation USB flash drive or CD/DVD.
  4. Windows clean install will delete your personal files, settings, and apps.

    To reinstall Windows 11 without losing data, you should create a backup in advance.

Just follow the steps in part one. Then, start reinstalling the system. Here is how to reinstall Windows 11 from USB:. Step 1: Prepare an ISO File of Windows 11. Go to search for Windows 11 ISO file in Google and download one.

4. Reinstall Windows 11 from ISO File on Computer

Now Windows 11 is released officially, you can go to the Microsoft website to download an ISO file. Step 2: Burn the ISO File to a USB Drive or CD. Here, we choose to use a flash drive. Just go to download Rufus to perform this task.

Back Up Important Files Before Reinstalling Windows 11

Double-click the installer to launch Rufus. Connect the USB drive to a working PC. And then choose the Windows 11 ISO file, make some settings and click START to create a Windows 11 bootable USB flash drive. Step 3: Reinstall Windows 11 from USB . Plug the bootable USB drive into your Windows 11 PC. Restart the computer and press a specific key to boot to the BIOS menu.

Related article: How to Enter BIOS Windows 10/8/7 (HP/Asus/Dell/Lenovo, any PC).

Configure the boot priority - set the USB drive as the first boot sequence. Select your language and other preferences, then click Next to continue.

Click the Install now button to continue. Click I don’t have a product key. You need to choose an edition of the Windows copy and accept the license.

Two Ways to Format and Reinstall Windows 11

(Sometimes this step isn’t required). To reinstall Windows 11, click the second option - Custom: Install Windows only (advanced). Select the drive you want to install Windows 11 on. Windows will start installing on your PC.

This can take a few minutes. This post shows you how to fix the issue of getting files ready for installation stuck at 17%, 27%, 70%, 72%, 94%, etc.

  • when installing Windows 10/8/7. To get more information on Windows 11 clean install, refer to our previous post - How to Install Windows 11 from USB?
  • Follow Steps Here!
  • After reinstalling Windows 11 and booting up your computer for the first time, you need to configure Windows 11 according to your needs - choose the country/region you reside in, select the keyboard layout or input method, decide whether to connect to a network, enter an appropriate name for your PC, choose a way to set up this Windows 11 device, and more.
  • How to reinstall Windows 11? This post gives three methods for Windows 11 reinstallation – with an ISO file, via PC resetting, or clean install.
  • Before you do, back up important files and then try one to reinstall Windows 11 without losing data.
  • During the installation, keep your PC on and don’t turn it off.
  • If you have any suggestions, tell us by leaving a comment below or contacting [email protected].

We will reply to you as quickly as possible. Technical Level: Intermediate. Applies to: All Windows 11 editions.

Can You Install Windows 11 on a Virtual Machine?

Demonstrated with: Windows 11 Preview Build 22000.132 ISO file (first official Windows 11 ISO file).Revision: 5.0.

  1. Preparing for clean install of Windows 11.
  2. Windows 11 minimum hardware requirements.
  3. Things you'll need for clean install.
  4. Creating bootable USB drive. Steps to install Windows 11.

    Video demonstration.

    Summary: A clean install is usually done by formatting the existing operating system or on a drive which has no operating system installed. For clean install, we will first create a bootable USB drive. Then boot from it and format the current operating system drive or select the empty drive where we want to install Windows 11.

  5. Once we completed Windows setup configuration, we'll be then moved to complete the Out of Box Experience (OOBE).
  6. After completing OOBE, we should be able to use Windows 11 like we have used previous Windows operating system(s).

    Preparing for clean install of Windows 11: Before proceeding for a clean install, you should be aware of following things:.

During or after clean install, you'll need to activate Windows with your genuine product key.

If you are formatting existing operating system, make sure you've your genuine product key with you. You can refer this support article to locate your product key.

When you format existing operating system, all the software and your data will be removed. So make sure you backup all the important data to an external drive or to cloud such as OneDrive.


The data you backup can be restored after clean install and during OOBE setup. You need to ensure that device on which you want to make clean install has sufficient battery, else you can let it connected to power source during clean install process.

Windows 11 minimum hardware requirements:. Processor: 1 GHz or faster with 2 or more cores on a compatible 64-bit processor or System on a Chip (SoC).

  1. RAM: 4 GB or above. Storage: More than 64 GB.

    System firmware: UEFI, Secure Boot capable. TPM: Trusted Platform Module (TPM) version 2.0.

  2. Graphics card: Compatible with DirectX 12 or later with WDDM 2.0 driver.

    Display: High definition 720p display that is greater than 9” diagonally, 8 bits per color channel.

  3. For details on above hardware requirements, refer this official Microsoft documentation:
  4. Things you'll need for clean install: . Windows 11 ISO file which you can download free of cost from
  5. If you want to install Insider Preview build instead, you can download Windows 11 Insider Preview ISO file from

    Note that downloading Windows 11 Insider Preview ISO file requires sign-in with your Windows Insider Program email ID to download this file.

  6. Irrespective of the Windows 11 ISO file you get, steps mentioned below are valid for both.

    In this guide, I've used Windows 11 Preview Build 22000.132 ISO file (first official Windows 11 ISO file).

  7. A working USB drive with minimum 8GB of capacity.
  8. A bootable USB creator tool. As of this writing, we don't have any official Microsoft released ISO creating software.
  9. So we can use any third-party bootable USB creating software available in the market.

    For this guide, I'll use Rufus.

The reason I'm selecting Rufus because it properly configures GPT schemes which is essential for secure boot based installed. For details on creating bootable USB using Rufus and how to get this tool, you can refer this guide.

Clean Install Windows 11 On Your Computer Now

However, you're free to use bootable USB creating software of your choice. Use of third-party software is completely at your own risk. I recommend to create a System Restore point before using such tools. A working system where you can create your bootable USB drive.

Reinstall Windows 11 via PC Reset

Creating bootable USB drive:. Launch Rufus on your working system and locate the USB drive you want to make bootable.

#1. Factory Reset Windows 11 and Delete Everything from Settings

Make following selections:. Device: Select the USB drive which you want to make bootable.

  1. Boot selection: Locate Windows 11 ISO file.
  2. Image option: Select Standard Windows installation.
  3. Partition scheme: Make sure you select GPT here.
  4. Target system: Select UEFI (non CSM). Volume label: Enter the name for bootable USB or you can leave it with default name.

    File system: Select NTFS.

  5. Cluster size: Let Default value selected.
  6. Click on START button to create the bootable USB drive.

    You'll be notified when this process is completed by the tool and your bootable USB drive is ready.

  7. For details on above steps, refer this guide.
  8. Steps to install Windows 11:. Plug in the Windows 11 bootable USB drive we just created above.

    In BIOS settings, select to boot from this USB drive.

  9. Since BIOS instructions vary for different devices, you can refer your device manual/manufacturer's instructions for exact steps for your system model.1.
  10. Once you boot from the USB drive, after boot screen, you'll see Windows Setup screen.
  11. Make your selections and click Next. In the next screen, click on Install now button.

    In few seconds, you'll see Setup is starting on the screen.

  12. Under Activate Windows, type in your genuine product key (atm you can use Windows 10 product key here).

If you want to activate the system later, you can click I don't have a product key link here. Then in the next screen, select the Windows 11 edition you want.

3. Install Windows 11 Using the Bootable USB

Moving on, accept the Windows license terms and click Next.

  1. Next, in Which type of installation do you want screen, select Custom: Install Windows only (advanced).
  2. Now select the drive where you want to install Windows 11 and click Next.
  3. Now Windows 11 will be installed based upon your previous selections.
  4. Let this screen complete and Windows will automatically restart after that.

    When Windows restarts, it will take a while for Getting devices ready.

  5. Once all required devices are ready, Windows will restart for OOBE setup.

    Initially, you'll see Just a moment screen.

  6. After that, you'll see Windows 11 logo coming on the screen.
  7. Now OOBE setup starts here. Note that OOBE setup may be different for different devices.

    You may not receive all screens mentioned in this guide.

  8. Also, you may get some OOBE screens not mentioned in this guide, as this depends on your device and selections.
  9. First OOBE screen is to select your country/region.
  10. Make your selection and click Yes. Next, select the right keyboard layout/input method.

    In the next screen, click Add layout, if you want second keyboard layout, else click Skip.

  11. Then you'll be asked to select your network.
  12. Once you select it, click Next. NOTE: This screen may not appear, if you're already connected to the Internet.

    Once you connect to network, Windows will check for updates.

  13. Then you'll be asked to name your PC. Type in the system name you want and hit Next.
  14. If you select to name the PC, Windows will restart to apply that change.

If you clicked Skip for now, no restart occurs and you can continue to next step.

Clean Install Windows 11

You can now select, whether you want to setup your device for personal or work or school usage.

  1. For this example, I selected Set up for personal use.
  2. Based upon my previous selection, I was asked to sign in with my Microsoft account.
  3. I typed in the Microsoft account email ID at this step.
  4. Then I typed in the Microsoft account password and clicked Sign in.

    Next, I was asked to create Windows Hello PIN.

  5. I clicked Create PIN. You must create a PIN, as it is more secure than password and is convenient to use.

    Now, I typed in 4-digit PIN but if you like, you can create a complex PIN by checking Include letters and symbols.

  6. Since I signed in with my personal Microsoft account, I was asked to restore backup from OneDrive.
  7. To start this machine as fresh install, I selected Set up as new device option.

    After this, you can select your device privacy settings and click Accept.

  8. Next, you can select a plan for personalized tips, ads and recommendations within Microsoft experiences and click Accept.
  9. After this, you can select whether you want to back up your files with OneDrive and click Next.
  10. If you selected Don't back up my files option here, you would be still able to enable OneDrive later on your system.

    Then select, if you want to opt for premium Office apps for free with Microsoft 365, hit Try for free.

  11. Else you can click on No, thanks.
  12. After this, Windows will start checking for updates.

    If it found some updates for you, they will be installed now.

  13. This update experience is new with Windows 11.
  14. On first screen, you'll see Downloading progress.

Then you'll see Installing progress. And lastly, you'll see Preparing to restart. After this, updates will installed.

# Select a suitable method to reinstall Windows 11

Your system might restart during this. Then you'll be landed to login screen now. Type in your credentials and sign in to your account.

  1. After this, Windows will start preparing for first time use.
  2. This may take a while. Finally, you'll be arrived to Desktop. Your Windows 11 is now ready to use. Go to System > Activation and if your system is shown activated there, you can personalize your Windows 11 as you like.
  3. Video demonstration: To help you more with above steps, here's the video guide for better understanding:.
  4. Are you thinking of upgrading to Windows 11? You can upgrade through Windows 10, but you might not want to do that.

    Instead, you can opt for a clean installation of Windows 11, allowing you to install the new operating system on your own terms or a different device entirely.

  5. So, read on to learn how to do a clean install of Windows 11 using a Windows 11 ISO.
  6. There are a few things you need to prepare before you can proceed with your Windows 11 installation, specifically the Windows 11 ISO and the bootable Windows 11 USB flash drive you'll install it from.

    Just before you commence with the Windows 11 clean install tutorial, remember one thing: Microsoft really doesn't want you to install Windows 11 on unsupported hardware.

  7. Furthermore, at the time of publication, you still need to be signed up as a Windows 11 Insider to download and install the new operating system.
  8. However, this requirement will end when Windows 11 launches to the wider public on October 5, 2021.

The first thing you need is a copy of the Windows 11 ISO, the disk image containing the Windows 11 installation files.

Quick Navigation :

Head to the Windows 11 Insider Preview ISO download page. Scroll down to the Select edition section at the bottom of the page. Using the dropdown menu, select the version of Windows 11 you want to install. The version you choose correlates to the Windows 11 Insider Preview channel you're signed up to, be that Dev or Beta.

Select your language, then hit Download. MAKEUSEOF VIDEO OF THE DAY. Once the Windows 11 ISO finishes downloading, you need to create a bootable Windows 11 USB flash for installation.

To Sum Up

There are many tools you can use to create a bootable ISO, but in this example, I'll be using Rufus. You'll also need a USB flash drive with at least 8GB of storage.

Prerequisites for Windows 11 Reinstallation

The drive will be completely wiped during the ISO burning process, so make sure you backup any data before proceeding.

  1. Insert your USB flash drive.
  2. Hit the Select button. Browse to the location of your Windows 11 ISO file and select it. Rufus will update the drive and burning properties automatically.

    Press Start when you're ready to proceed.

  3. The Windows 11 ISO burning process will take a few minutes, so go and make a cup of tea or coffee, and it'll be done when you return.
  4. Once Rufus finishes burning your bootable Windows 11 USB flash drive, you can use it to install the new operating system.
  5. During the Insider Preview testing phase, Microsoft has given some leeway with the requirements for Windows 11, allowing you to boot and receive updates on "unsupported" hardware.

    However, once Windows 11 launches to the public, that will change, so it's worth considering if your PC can run Windows 11.

  6. Now, make sure the PC you're installing Windows 11 on is switched off to begin with.
  7. Insert the Windows 11 installation media.
  8. Switch the computer on and tap your BIOS/UEFI entry key.

    Once in your BIOS/UEFI settings, you'll have to find an option to boot from the USB through a temporary change to the boot order.

  9. The menu is likely under Boot Options or something similar.
  10. Move the Windows 11 installation USB flash drive into the primary boot position.

    Save and Exit the BIOS/UEFI.

    Your machine will reboot. After it boots, you'll launch into the Windows 11 installation process.

  11. When the Windows 11 installation process begins, select Install Now.
  12. On the next screen, select Custom to continue with the Windows 11 clean install.

You'll also be asked for your Windows product key. However, you can input your product key later or import it from your Microsoft Account after installation.

1. Reset PC & Reinstall Windows 11 via Recovery Option

Next, you must choose the drive you want to install Windows 11 on. If you're dual-booting Windows 11, select your secondary drive. Otherwise, if you're going for the full clean installation of Windows 11, select the appropriate drive followed by Next.

The Windows 11 installation process will begin. When the installation finishes, you can begin entering your login credentials, keyboard configurations, and more.

  1. At this point, if you enter your Microsoft Account credentials, your Product Key will also automatically update, validating your Windows 11 installation (if you are eligible for a free upgrade to Windows 11).
  2. Work through the Windows 11 setup pages one by one, checking them as they go.

    There are options for privacy, location, data sharing, and more.

  3. If you don't want to install Windows 11 on your main computer, you could always install it on a virtual machine instead.
  4. The virtual machine option gives you a way of testing Windows 11 without fully committing to the new operating system.

    Installing Windows 11 on a virtual machine follows much of the same process as installing directly to your hard drive or solid-state drive, only you don't need to worry about burning the Windows 11 ISO to a USB flash drive.

  5. Instead, virtual machine software can boot the installation files from the ISO directly without the need for a bootable flash drive.

    Just remember that you need adequate system resources to run Windows 11.

    If you don't have a powerful enough CPU or enough RAM, your Windows 11 experience will suffer.

  6. If you're eligible for a Windows 11 upgrade, you can install Windows 11 from within Windows 10.
  7. The upgrade path from Windows 10 to Windows 11 is already established.
  8. Whether or not you can continue using Windows 11 after the public launch depends on your hardware.
  9. If your system doesn't meet the minimum system requirements, Microsoft will not deliver updates to your Windows 11 installation.
  10. If you don't receive updates, your system will be vulnerable, exposed to security issues as they arise.

    For most Windows 11 users, upgrading through the proper channels is likely the best option, ensuring you receive security updates to protect against vulnerabilities.

    However, if you want to clean install Windows 11, you now have the know-how to do it. About The Author. Join our newsletter for tech tips, reviews, free ebooks, and exclusive deals!

  11. Sometimes some unexpected error codes or fatal issues happen.
  12. Then you need to reinstall the operating system. By doing this, you might sometimes face the loss of data.
  13. It can be problematic for you to lose some of your important data by reinstalling the operating system.
  14. If you follow the given ways or methods, no data will be lost, moreover, the license will remain intact.

    There are 4 steps mentioned to Reinstall Windows 11 and also follow the given methods before reinstallation so that you do not lose Data.

  15. Open Settings > Click on System > Click on Recovery on the right side..Full steps.
  16. Click the Install now button > Click "I don't have a product key"..Full steps.
  17. Yes, Windows 11 allows using multiple methods to freshly install the operating system, keeping or removing the old files and applications on your PC.
  18. You can reinstall Windows when upgrading to a new version of Windows.

    If your Windows slows down, then firstly try other options like uninstalling software that you don't use, deleting junk, using tools like disk cleanup, selecting minimal security program, using a startup manager tool to prune useless programs, e.t.c.

  19. and after all that, if it isn't speeding up, you should consider reinstalling Windows.
  20. Reinstalling Windows can be a faster solution to get rid of Malware and fix other issues than troubleshooting and repairing the specific problem.
  21. But if your Windows is working fine, there is no need to reinstall your OS.
  22. Follow this page to get a complete solution and guidance for reinstalling Windows 11 on your computer.
  23. Before reinstalling Windows 11, you need to do the following preparation work to get the best experience.
  24. Before reinstalling Windows 11, you need to backup all the files and folders, and applications onto another storage device.
  25. Because often it happens that some of your data get removed in the process of Reinstallation.
  26. I will recommend you apply a backup software like EaseUS Todo Backup to backup all your essential files to an external storage device at one time.

    It will be easy and quick.

  27. Windows 11 installation requires at least 64 GB of free space left on the operating system drive.
  28. So, it's important to check your C drive if you have enough storage or not. If not, then clean up your C drive.
  29. Clean up all the junk files and applications that you never use and make space for Windows 11 Reinstallation.
  30. If your C drive is too small, you can always extend it by using EaseUS Partition Master.
  31. You just need to download the EaseUS Partition Master software on your PC and it will help you to extend your C drive.
  32. Extend System C drive with unallocated space.
  33. Right-click on the System C: drive and select "Resize/Move".
  34. Drag the system partition end into the unallocated space so to add it to the C: drive.

And click "OK". Click "Execute Operation" and "Apply" to execute the operations and extend the C drive. Extend System C drive without unallocated space.


Right-click a big partition with enough free space on the system disk, select "Allocate Space". Select the system drive at the Allocate Space From (*) To section, and drag the end of System C drive into the unallocated space.

Click "OK" to confirm. Click "Execute Operation", it will list the pending operations, and click "Apply" to save the changes and extend the C drive.

Can I Reinstall Windows 11?

0:00-0:32 Extend System Drive with Unallocated Space; 0:32-1:00 Extend System Drive without Unallocated Space.

There are some methods to reinstall Windows 11 listed below-. You can follow any of these methods, which are described below. Clean installation is the preferable one among most regular users.

It can be more easy and simple. Click on System.

  1. Click on Recovery on the right side.
  2. Under the "Recovery options" section, in the "Reset this PC" setting, click the Reset PC button to begin Windows 11 reinstallation.
  3. Click the Keep my files option. Select the Cloud download option to download Windows 11 to perform a fresh reinstallation.

    Or Select the Local reinstall option to reinstall the OS without losing your data.

    Click the Next button. Click the Reset button. On the Sign-in screen, click on the power button located at the right bottom corner and choose Restart from the options listed.

  4. Hit the Shift key and do not release it until the Windows restart into the Recovery Environment.

    Once you are in the WinRE, click on the Troubleshoot option.

  5. You can use the arrow keys and the Enter key if your mouse is not working. Now, click on Reset This PC. You'll get two options to choose. The next option will prompt the user to choose between Cloud download or Local reinstall.

    The next option will format your drive and erase all contents if you have chosen the Remove Everything option in Step 4.

    Click on the Reset Button. You can use EaseUS Win 11 Builder to download Windows 11. It will help you to enable bootable USB on your computer automatically with just one click.

  6. It's a very compact and easy Window 11 downloader by bootable USB.
  7. It's free software and will help inexperienced users who are unable to do all the required steps to enable USB manually.

    The Win11 builder is integrated with the EaseUS OS2Go software.

    Click the download button and launch the program after installation. Switch WinToGo Creator to Windows Install Drive Creator. The obtained system information is available on the home screen, and it keeps updating all the time.

  8. Apart from Windows 11, Win11 builder also supports you to download Windows 10/8.1.
  9. Connect your USB flash drive to the computer.
  10. Win11 builder will automatically detect your USB device, so all you need to do is click the Create button.
  11. The software will empty your USB drive data if it's a used one. Once the downloading process begins, wait there until it finished or leave for a while to do you own job.

    After successfully downloading the Windows 11 iso image file on the USB drive, start to install Windows 11 from the bootable USB drive on your computer by following the installation wizard step by step.

  12. Start your device with Windows 11 USB media. Then press any one key to boot the device.

    On the "Windows Setup," you have to click on the Next button. Click the Install now button. Click on the option -I don't have a product key to continue. But, you will need a product key if this is the first time installing Windows 11. Select the edition of Windows 11.

  13. Click on the Next button.
  14. Select the option I accept the license terms in order to continue.

    Click the Next button.

  15. Click the Custom: Install Windows only option to continue with a clean installation.

Choose partition with the current installation, and click the Delete button. Click the Yes button.

Select the empty drive. Click the Next button. Once the steps are completed, the Windows 11 Setup will install a fresh copy of the new OS on your laptop or desktop computer.

Back up Your Data Before Windows 11 Reinstallation

Navigate to the Windows 11 ISO page. If you are not logged in to your Microsoft Account, you must do so.

If you are not already registered as a Windows Insider, you can register for free on the web.

  1. Choose an edition from the select edition pulldown, which you'll find by scrolling down the page.

    If you want the latest build, select "Dev Channel."

  2. You will see a confirm button appearing after you make your selection.
  3. Click on Confirm. Select your language and click on confirm.

    Click the download button that appears.

  4. The ISO file will download to your computer.
  5. Now, when your Windows 11 is Reinstalled, you need to follow some steps given below to work with your system smoothly.

    Now, when your Reinstallation is complete, you need to restore all the data back to your computer.

  6. Follow these below steps to restore your data.

    Select the "Start" button, then you have to select "Control Panel", next navigate to System and Maintenance, and then "Backup and Restore".

  7. Do one of the following:. If you're using Windows Backup for the very first time or recently upgraded your Windows version, select "Set up backup", and then follow the further steps.

    If you have created a backup before, you can wait for your scheduled backup, or you can again create a new backup by selecting "Back up now".

  8. If you've created a backup previously, but want to make a new full backup rather than updating the previous one, select "Create new", "full backup", and then follow the further steps.

    You need to reallocate hard drive spaces on the computer. You can use the EaseUS Partition Maser to reallocate hard drive spaces on the computer.

  9. Use the following steps to get help on reallocating hard drive spaces on the computer by EaseUS Partition Master.

    Select disk to adjust its layout.

  10. On the main screen, right-click the disk and select "Adjust Disk Layout".
  11. Reallocate the drive or partition size. Drag the dots next to the partition head or tail to reallocate the partition size.

    Then, click "OK". Confirm to adjust disk partition size.

  12. Click the "Execute Operation" button and click "Apply" to keep all the changes.
  13. Don't panic if you see that your system is not working best or it slows down.
  14. You can follow our above guidelines and Reinstall Windows 11 if needed and reallocate disk space to optimize computer performance.
  15. According to my test, the easiest method that will help you reinstall Windows 11 on a computer is using the Reset this PC option available via the Recovery settings.

    The feature allows Windows 11 reinstallation keeping your data or removing everything from your hard drive by downloading installation files from the cloud.

  16. Reset this PC and install Windows 11 via Recovery settings will help you fix problems easily when the device isn't working fine, or any malware attack or your pc slows, or you are dealing with battery and apps issues.

    You can Reinstall Windows 11 or clean install by bootable USB for an easy and simple experience.

  17. It'll be very helpful and user-friendly.
  18. Under what circumstances would you want to format and reinstall Windows 11It can be roughly divided into the following situations:.

    After prolonged use, your computer may run slowly or freeze.

    Resetting your laptop can make it work as smoothly as it was when you just bought it, it’s like new again. A factory reset is often useful when you want to give your computer to a sibling to use or to resell.

  19. It can help you delete unwanted junk and personal information at one time, which can also avoid information leakage.
  20. In Windows 11, Microsoft provides you with a feature called “Reset this PC” to keep your personal files or remove them and then reinstall Windows.
  21. You can use this feature to perform a clean install without losing data or deleting everything on your computer.

    No matter which of the above situations you're in, there's bound to be some data on Windows 11 that you'll want to keep after using it for a while.

  22. Although "Reset this PC" may give you the option to keep your files, some users report that it may also cause some data loss.
  23. So it is best to use a reliable tool to back up your important data in advance.
  24. Also, if you no longer use this computer, you will definitely choose "Remove Everything" in Reset this PC window. At this time, if you want to keep some important files, you need a free and reliable backup tool.
  25. AOMEI Backupper Standard is a comprehensive backup assistant that can help you backup any data on your computer to different destinations.

    You can use it to not only store backups to common storage devices such as internal/external disks, SD cards, USB, etc., but also to store backups to network locations, NAS, cloud, etc.

  26. It works well on Windows 11/10/8.1/8/7/XP/Vista. Next, I will show you how to back up your important files on Windows 11 with this free software. Click the download button below to install it on your computer and launch it.

    Navigate to Backup -> File Backup.

  27. Click Add File or Add Folder according to your needs.
  28. Choose the files or folders which you want to backup. Click the second box to select backup destination to store your files or folders (It is recommended that you back up to an external disk or cloud).

    You can then click Start Backup to do so.

Tips✍: You can also customize the backup task by clicking the three options in the bottom left corner of the program before clicking Start Backup.◑ Options: You can add comments to your backups here.

2. Burn the Windows 11 ISO to a Bootable USB Flash Drive

If you upgrade to the Pro version, you can also encrypt your backups for security and privacy.◑ Schedule: Here you can set up regular backup tasks so you don't miss any changes.

Summary :

You can choose to run backups Daily, Weekly, or Monthly.◑ Scheme: This option allows you to choose the backup method - Full, Incremental or Differential Backup.

  1. The latter two will save disk space at the destination.
  2. Note that Differential Backup is available in paid version.
  3. When you're ready to format and reinstall Windows 11, there are two ways to initiate Reset this PC on Windows 11.

    If your Windows 11 is running fine and you can log into Windows 11, try following the steps below to perform a clean install.

Press Windows + I to open Settings. Select System on the left sidebar and click Recovery on the right panel.

#2. Factory Reset Windows 11 and Wipe ALL Data from Windows RE

On the Recovery page, scroll until you find the Recovery options section.

  1. Click the Reset PC button to the right of Reset this PC.
  2. Windows 11 then launches the Reset this PC wizard, and the first thing it asks you to do is choose whether you want to keep files or delete everything.
  3. Since you want to format and reinstall Windows 11, select Remove everything. ◈ Note: If you have multiple drives or partitions on your PC, next, Windows 11 will ask you whether to wipe data from only the system drive (where Windows 11 is installed) or from all drives.

    Choose what you need.

Next, Windows 11 wants to know how you want to reinstall it during the reset process. You can choose one of two ways. Then, the Reset this PC wizard gets to the Additional settings step.

#2. Reallocate hard drive spaces on the computer

By default, the reset process deletes everything but doesn't clean the drive. If you want to clean the drive, click Change settings. Then enable the Clean data switch so the reset cleans up your drive.

Then press Confirm. Note that cleaning the Windows 11 drive will take more time to factory reset.

  1. When Windows 11 is ready to reset, it shows you what will happen during this time.
  2. To continue, click the Reset button.
  3. After a minute or two during which Windows 11 prepares, your PC will automatically reboot.
  4. After restarting your PC, Windows 11 starts the actual factory reset process.

    This part can take a long time, but that depends on your computer’s hardware configuration.

    When Windows 11 finishes installing, you need to customize it, just like when doing a fresh install of the operating system.

  5. This method of factory restoring Windows 11 from the Windows Recovery Environment comes in handy when you can't log into Windows 11.
  6. Press and hold the Shift key while clicking the Power icon and then click Restart.
  7. After Windows 11 restarts, click Troubleshoot -> Reset this PC.

Next, select Remove everything (Removes all of your personal files, apps, and settings).

Mount an ISO File of Windows 11 for Reinstallation

Then, Windows 11 wants to know whether you prefer to reinstall it using the Cloud download or Local reinstall method.

  1. Select whichever way you like by clicking it.
  2. Next, you are asked to decide if you want to clean the drive on top of removing your files, click the option you prefer.
  3. In the next page, click Reset to format and reinstall Windows 11.
  4. You can learn 2 ways of how to format and reinstall Windows 11 from this article.
  5. But before you want to do this, it is recommended that you make a backup of your important files.

    • With the help of AOMEI Backupper, you can save backups wherever you want. Besides file backup, you can also use it to backup your system.
    • When something goes wrong with your computer, you can use this system backup image to restore your computer to a working state. The software also embeds other features such as cloning, synchronization, restore and tools.

    You can also try the free AOMEI Image Deploy if you want to deploy a Windows image to multiple computers at once instead of doing a system restore one by one.

Please be sure to follow me on Twitter @adacosta for the latest tips, tricks and updates in the world of Windows 10.

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Technical Level : IntermediateSummaryIf you have installed a recent release of Windows in the past 15 years, you pretty much know what it will be like to install Windows 11. In this article, we take a look at performing a clean install.

This includes starting a clean install from within a running version of Windows or a hard disk/SSD with no previous Windows installations.

Perform a clean install by booting from install media (DVD or USB thumb drive). Perform a clean install using Reset in Windows 10 or Windows 10 Refresh Tools (Start Fresh).

Restore files from backup

Perform a clean install from within a running version of Windows 7, Windows 8/8.1 or Windows 10. Windows 11 is a free upgrade for Windows 10 users. As long as your current Windows 10 installation is activated, you can upgrade for free or perform a clean install using your existing Windows 10 product key.

Just make sure you are installing the Windows 11 edition that currently corresponds with your Windows 10 edition.

Perform a Clean Install on an Empty Hard Disk/SSD or Reinstall by Booting from Install Media (DVD or USB Thumb Drive).

  1. Once you have your Windows 10 installation media ready, all you need to do is boot from the disc or USB thumb drive to begin setup.
  2. If you don't have install media, see instructions: How to download official Windows ISO files.
  3. Review the following guide for instructions and details about configuring your BIOS or UEFI boot settings for DVD, CD, USB or SD Card.

    Once your computer is set to boot from the DVD, you should see this option to boot from the installation media. Press any key to load Windows setup files. Learn more here. The Windows logo will appear on screen, this might be here for a while, as long as you see the animating dots, everything should be ok.

  4. Select your Language, Time and Keyboard method then click Next.

    Click Install now.

  5. Windows 11 setup will prompt you for a product key during installation a couple times.
  6. If you originally upgraded from Windows 7 or Windows 8/8.1 click the option 'I don't have a key' and 'Do this later' .

    If you have a Windows 10 or Windows 11 product key, you can proceed to enter it.

Setup will also prompt you to select the edition you have a license for - Home or Pro.

Please make sure you choose the right edition. If you choose the wrong edition, your only option will be to perform a clean install again. The copy of Windows 11 you download and upgrade from will correspond with the edition of Windows you have installed, if it does not, this is why you might be experiencing problems activating:.

More Windows resources

Windows 10 Home > Windows 11 Home. Windows 10 Pro > Windows 11 Pro. If you are running specific editions of Windows 10 such as N, Single Language, Education, Pro Edu or Pro for Workstations, make sure you select the correct edition.

Accept the license terms then click Next. Click Custom: Install Windows only (advanced) .

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