An ISO file combines all the Windows installation files into a single uncompressed file. If you choose to download an ISO file so you can create a bootable file from a DVD or USB drive, copy the Windows ISO file onto your drive and then run the Windows USB/DVD Download Tool.
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It’s Necessary to Create Bootable USB from ISO Windows 10/11
Then simply install Windows onto your computer directly from your USB or DVD drive. When you download the ISO file, you must copy it onto a USB or DVD. When you're ready to install Windows, insert the USB drive or DVD with the ISO file on it and then run Setup.exe from the root folder on the drive.
This allows you to install Windows onto your machine without having to first run an existing operating system. If you change the boot order of drives in your computer's BIOS, you can run the Windows installation directly from your USB drive or DVD when you first turn on your computer.
Please see the documentation for your computer for information about how to change the BIOS boot order of drives. To install the software, you can make one copy of the ISO file on a disc, USB flash drive, or other media. After you’ve installed the software and accepted the license terms that accompany the software, those license terms apply to your use of the software.
If you need to download the software again, you can go to your Download Purchase History in your Microsoft Store account and access the download there.
How to Create Bootable USB from ISO Windows 10/11
The steps described on this page assume you have Windows installation media and access to a Windows technician PC. If you're looking for an easy, automated way to create a bootable USB Windows installation drive, see:.
Way 1: Use Windows Media Creation Tool
Windows installation media. This could be an installation .ISO or DVD. USB flash drive with at least 5GB free space. This drive will be formatted, so make sure it doesn't have any important files on it. Technician PC - Windows PC that you'll use to format the USB flash drive.
Destination PC - A PC that you'll install Windows on. Connect the USB flash drive to your technician PC. Open Disk Management: Right-click on Start and choose Disk Management. Format the partition: Right-click the USB drive partition and choose Format.
Select the FAT32 file system to be able to boot either BIOS-based or UEFI-based PCs. FAT32 has a file size limit of 4GB If your WIM image is larger than 4 GB, see If your Windows image is larger than 4GB below.
Set the partition as active: Right-click the USB drive partition and click Mark Partition as Active. If Mark Partition as Active isn't available, you can instead use diskpart to select the partition and mark it active.
Use File Explorer to copy and paste the entire contents of the Windows product DVD or ISO to the USB flash drive. Optional: add an unattend file to automate the installation process.
For more information, see Automate Windows Setup. Connect the USB flash drive to a new PC. Turn on the PC and press the key that opens the boot-device selection menu for the computer, such as the Esc/F10/F12 keys.
Copy everything except the Windows image file (sources\install.wim) to the USB drive (either drag and drop, or use this command, where D: is the mounted ISO and E: is the USB flash drive.).
Windows Setup automatically installs from this file, so long as you name it install.swm.
Step 8: The tool is creating Windows 10/11 media, just be patient to wait.
Step 9: After a few minutes, your USB flash drive is ready. Click the Finish button at last.
Way 2: Download ISO File and Burn Windows ISO to USB
In addition, you can choose to download an ISO file of Windows 10/11 first of all and then use USB bootable software to burn the file to your drive.
Move 1: Download Windows 10 ISO File
To do this, you can also use Media Creation Tool. In Choose which media to use page, please choose ISO file. Then, save the ISO file to a location. Next, continue the operations by following the wizard.
If you don’t want to install the latest Windows 10/11, you can search for the ISO file you need on the internet and then download it.
Move 2: Burn Windows 10 to USB Drive
To create bootable USB from ISO, some of you may choose to use USB bootable software like Rufus. It is thought as one of best, free, open-source and easy-to-use Windows 11/Windows 10 USB tool since it can create bootable USB for different kinds of operating systems.
Step 1: Start USB bootable software free download for all Windows. Here, go to get Rufus from its official website.
Step 2: Run this ISO to USB burning tool, and then plug your USB flash drive to your PC.
Step 3: This tool will detect your USB flash drive. You need to click the SELECT button to choose the ISO file you have downloaded, specify the partition scheme and volume label. Then, click the START button to create bootable USB from ISO.
Step 4: Later, the tool will start to burn ISO to USB flash drive, which will take a few minutes. When the Status is ready (in green), just click the CLOSE button to exit the tool.
After you complete USB bootable drive creation, you can boot your PC from the drive and start to install Windows 10/11 operating system or enter PC repair environment for a fix from the repair drive.
How to use Rufus to create a bootable USB from ISO of Windows 11? Get Rufus Windows 11 download and follow the steps in this post for this task.
In addition to making bootable USB from ISO in Windows 10/11, some of you may be interested in the topic: create bootable USB Windows 7. To do this work, you need to use bootable USB Windows 7 software, Windows 7 USB/DVD Download Tool. After getting the tool, follow its instructions to create a bootable USB drive.
Besides, some of you may want to know how to create bootable USB from ISO ubuntu or Mac. Here, we won’t show you steps but you can search for the corresponding methods on Google and there are some articles are about the topic.
Suggestion: Back up Windows & Restore System
If you have created a system image, you can restore it to the PC where you need to install OS or solve system issues. By this way, you won’t deploy a new OS and you can easily restore the PC to a previous state, enjoying the previous system settings, applications, and everything.
How can you back up your Windows 10/11? Here, we highly recommend using a piece of professional backup software for Windows 11/10, MiniTool ShadowMaker.
This backup software is designed to back up the Windows operating system, files, the entire disk or partitions. During the backup, the selected backup source is compressed to an image. Above all, it offers a feature called Media Builder to create a bootable USB drive or CD/DVD disc to boot the crashed PC and perform a system recovery.
Before starting a backup, now you need to free download MiniTool ShadowMaker from the button below. Note that its Trial Edition only gives you 30-day free trial.
Move 1: Back up OS
Step 1: Run MiniTool ShadowMaker Trial Edition.
Step 2: Go to the Backup interface, you see system related partitions are selected by default. To back up Windows OS, here you can go to the Destination section to specify a path like an external hard drive, USB flash drive, or NAS.
Step 3: Finally, click the Back up Now button to run the system image backup.
Move 2: Create Bootable USB from ISO
After finishing the system image backup, you can go to create a bootable USB drive. Just go to the Tools page, click Media Builder, choose your USB flash disk and create USB boot disk from ISO.
After that, you can boot the PC that needs to install an OS from the bootable USB flash drive and then start system recovery.
Related article: How to Boot from Burned MiniTool Bootable CD/DVD and USB Flash Drive/Hard Disk?
Move 3: System Image Recovery
In MiniTool Recovery Environment, you can run MiniTool ShadowMaker and then restore the system image to a hard drive which can be the system disk that has system issues or the hard drive where you want to deploy a system.
Step 1: Go to the Restore interface, find the system image file and click Restore to continue.
Step 2: Select a backup version.
Step 3: Choose the system related partitions to restore. Here, mbr and Track 0 should be selected, otherwise, Windows won’t boot normally.
Step 4: Decide which disk you want to restore the image to.
Step 5: The backup software is performing a recovery. This will take a few minutes, so wait patiently.
With MiniTool ShadowMaker, you can easily restore the PC to a previous state without reinstalling OS or easily deploy the system to a computer without OS. Compared to the above part - create bootable USB from ISO for OS installation, this way is worth recommending.
Here, you can free download MiniTool ShadowMaker for a trial or share it with your friends on Twitter to let more persons know.
Want to make bootable USB Windows 10/11? Just try the above ways to create bootable USB from ISO and then you can install an operating system. To restore your computer easily to an earlier state (in case of system breakdown) or deploy a system, without installing the system, you can use MiniTool ShadowMaker to back up OS and restore it.
On the other hand, if you have any suggestion for bootable USB flash drive creation, or if you meet some questions when using MiniTool software, please leave a comment or contact [email protected].