There are many free PC cleaners and optimizers that claim to deliver noticeably faster performance, but not all live up to the hype.
That's why we've tested all the most popular options and rounded up the ones that we believe will give your PC a noticeable speed boost, with no hidden extras or intrusive ads. With Windows 11 rolling out to more users since its release in October, it's best to make sure that your PC is ready for the upgrade, as long as it meets the minimum requirements.
The best free PC optimizer available today is Iolo System Mechanic – a feature-packed toolkit containing everything you need to purge unnecessary files, fine-tune your PC's settings and protect your privacy at the same time. However, if your needs are more straightforward, we've also rounded up four other excellent tools that will give your PC a thorough spring clean without offering an intimidating number of options.
5 Benefits of Using Free CCleaner
It's worth noting that you can do much of what these free PC optimizers do yourself using Windows' built-in system maintenance tools, but that's time consuming; what's really being sold here is convenience.
Frequently Asked Questions
If you want more features, many of these free PC optimizers also have premium counterparts that can perform more advanced tasks, and offer additional tools like secure file deletion and scheduled scans.
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- Enjoy a faster, cleaner PC with the best PC optimizer. Update: A recent change to Iolo's checkout process means you will be automatically subscribed to a $19.99 (about £15 / AU$25) per month support package when you purchase a product.
- This is a very large extra charge, so make sure to double-check before entering your payment details.
- Iolo System Mechanic removes junk files and unwanted apps, blocks bloatware and unwanted auto-run settings, clears out RAM and wipes various logs, browser histories and caches.
Not only does this free up key system resources, it also eliminates traces of your browsing activity to protect your privacy.
- Its PC optimization toolkit really does make a difference; whenever we've tested System Mechanic we've found a significant speed improvement, especially at startup.
- The free edition is excellent, but the two premium versions – System Mechanic and System Mechanic Pro – are well worth considering if you find yourself using it regularly – and Iolo is offering a 70% discount with the voucher code TECHRADAR.
- The genuine performance boost we saw after running System Mechanic made it our favorite PC optimizer.
- Read on for four more of the best apps around for speeding up your Windows PC.
- Read our full Iolo System Mechanic review.
Streamlined PC optimizer with utilities repair.
- Restoro doesn’t boast the biggest feature list we’ve seen, but it does a great job of providing the essentials and managing those well without adding too many unnecessary extras.
- Numerous problems are scanned for, listed if found, and repaired with the powerful system repair tool.
List of Best Free PC Cleaning Software for Windows 10, 8, 7 in 2022
All Restoro scans include built-in malware detection.
Any suspicious files will be immediately identified, and you can decide whether or not they need to be removed.
If you have one of the two unlimited use plans, you will benefit from the power of Restoro’s excellent real-time monitoring tools.
These are designed to help you keep tabs on your computer, identifying potentially dangerous apps or security breaches before any damage is caused.
This should be quite self-explanatory, but Restoro’s full money-back guarantee basically means that you can request a full refund if you’re not happy with the program’s performance. The only negative is that the free version allows you to run the software, but not any of the repair tools. Read our full Restoro review.
A hands-off approach to optimization that's ideal for novice users.
- IObit Advanced SystemCare comes in two forms: a free edition version that covers basic house cleaning, and a Pro version that adds internet speed-boosting, real-time optimization, privacy protection, deep registry cleaning and 24/7 technical support.
- That's US$20 (about £15, AU$25) for a year, and the license covers three PCs.
- Whichever edition you choose, IObit Advanced SystemCare's interface is well designed, easy to use and unlikely to frighten even the newest PC user.
- We'd deduct points for an installer that wants to add additional programs - that's hardly in keeping with the philosophy of keeping unwanted stuff off your computer - but they're easy to avoid if you choose a custom installation.
- Like most of the PC optimizers here, it cleans up files and folders you don't need, neatens up the Windows registry and corrects errors on your hard drive – all via a simple, slick dashboard.
Read our full IObit Advanced SystemCare Free review.
- Eliminate unnecessary files, clean the registry and manage apps.
- Piriform CCleaner has been around for a long time, and part of the reason for its ongoing popularity is that it cleans the parts of your PC that many other free system optimization tools don't.
- There's a paid-for version of the optimization toolkit that adds real time protection and cleanup scheduling, but the free edition of CCleaner covers the important stuff such as removing temporary files, getting rid of browser caches, removing unwanted cookies while keeping the useful ones and so on.
- If your PC just feels sluggish then this is the free PC optimizer to try first.
It doesn't have all the advanced features of apps like System Mechanic, but the stuff it does clear is famous for slowing down PCs.
- Read our full Piriform CCleaner review.
- A fast scanner plus a suite of well designed maintenance tools.
Speed Up & Optimize Your Windows with Best PC Cleaner Tools (2022)
Ashampoo WinOptimizer's biggest selling point is its flexibility – you can scan for junk files, broken registry entries and browser cookies with a single click, and erase them all with one more.
Alternatively, you can dive deeper by selecting the 'Details' button to review the results of your scan one by one.
Unlike some PC optimizers, Ashampoo WinOptimizer gives you a full description of each issue it's identified, explaining exactly what it is, and why you should consider removing it.
You can then make an informed decision about whether to erase or keep it.
WinOptimizer also includes a suite of 'modules' for routine maintenance tasks like defragging hard drives and optimizing startup processes.
These are all tasks that could be accomplished within Windows itself, but having them all in one location is much more convenient than trawling through menus. (In case you're wondering, Ashampoo takes its name from this optimization software, which cleans your PC 'like a shampoo'.). Read our full review: Ashampoo WinOptimizer. Made to help gamers wring extra performance from their PCs.
If your system struggles when you're trying to get your game on, Razer Cortex could well be the answer.
- This free PC optimizer suspends unnecessary system processes, clears out memory and defrags your system to get the very best game performance possible.
- Razer Cortex is available for Windows 7, 8 and 10, and while the differences won't make you jump up and down in astonishment - for most people the results will mean slightly smoother visuals rather than astonishing performance improvements - it does automate the fiddly process of turning off unnecessary software and services when it's time to play.
- Read our full review: Razer Cortex.
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- A PC cleaning software offers an easy way to optimize your computer performance, prevent harmful malware, and ensure overall health and safety of your Windows system.
It comes with a plethora of PC maintenance tools to remove unwanted and redundant programs and helps in enhancing the speed and performance of your computer.
- Defragment your data, declutter your hard drive, and optimize the overall working of your Windows device with the best free PC cleaner software.
- Read ahead to check out our curated list of best PC cleaner tools for Windows 10, 8, and 7 in 2022.
- If you are annoyed with the slow and sluggish speed of your Windows PC, check out our list of best PC cleaners to clean system junk, optimize performance, boost speed, manage registry entries, and much more.
We kickstart the list of the best PC cleaning software with IObit Advanced SystemCare.
- Pick this best free PC cleaner software to speed up, clean, tune-up, and protect your Windows computer.
- Advanced SystemCare from IObit is one of the most appealing and well-organized PC cleaning utilities that helps you to free up RAM and manage the registry entries of your Windows device.
How to Download the Latest Version of CCleaner
What we Love About IObit Advanced SystemCare?
It comes with a clean and convenient interface powered with easy functionality.
Thoroughly clean your PC with its incredible junk cleaning abilities.
It can delete temporary files, system logs, APK files, system cache, and other unwanted files in a single click.
It also corrects all your hard drive related errors to boost system performance.
In addition to a free version, it is also available in a Pro version that comes loaded with advanced features like deep registry cleaning, real-time optimization, internet-speed boosting, privacy protection, and much more. Final Verdict on IObit Advanced SystemCare. Anyone unsure about where to look for cleaning their PC should try out this best free computer cleanup utility.
The second place on our list of the best PC cleaning software with MacPaw’s CleanMyPC.
- It is an all-in-one software for cleaning and optimizing the speed and performance of the PC.
- The software keeps a track on performance and the factors which can affect the performance like adware,malware and ransomware.
- What we love About CleanMyPC? CleanMyPC keeps cleaning the unwanted files from the PC like broken downloads, outdated caches and logs.
- The files which you would struggle to find, by using the PC cleaner software you can locate them with just one click.
- Not just locating and removing junk the software can help fix the problems of the PC. The software is available in Windows and Mac.
Final Verdict on CleanMyPC.
- For all those who are looking for software that can help in cleaning both Windows and Mac PCs, CleanMyPC is the ideal pick for you.
- It offers all the required features to make the process easier.
- Pick this best PC cleaner tools goes to a globally renowned product known as CCleaner.
Anyone who wants to clean and speed up a slow computer or laptop should, without a doubt, install this industry-acclaimed system cleaner for Windows 10 and older editions.
- Developed by Piriform, this tool comes in three versions: CCleaner Free, CCleaner Professional, and CCleaner Professional Bundle.
- What we Love About CCleaner?
Intelligent cleaning modules to clear system junk, tracking cookies, and temp files.
Powerful registry cleaner to solve invalid registry entries and broken Windows settings.
Comes with a built-in disk space analyzer utility that helps find out which files or folders are consuming extra space on your computer.
Disables background running programs to help you make your Windows computer boot faster.
It also comes with a duplicate photo finder and cleaner utility that helps you get rid of similar photos, videos, and other redundant files.
Final Verdict on CCleaner. All in all, CCleaner is undoubtedly among the best free PC cleaner tools that you may use to speed up and clean your computer. Known for its class-apart functionality and advanced features, AVG TuneUp takes the second place on our list of best free computer cleanup software. Give your old PC more power and make it run just like a new machine.
What We Love About AVG Tune-Up?
- It puts all unwanted and unnecessary applications to sleep with its incredible Sleep Mode Technology.
- This cuts down the boot time and enhances the response time of your device.
- Deep clean your computer system to remove system cache, residual files, system junk, and other unwanted files.
- Remove bloatware with its software uninstaller functionality. Enjoy hassle-free and automatic software updates.
- Enjoy lighter browsing with its Browser cleaner feature. Fix system bugs and avoid crashing issues. Final Verdict on AVG Tune-Up.
If you want to clean disk space and elevate your PC performance, AVG TuneUp is the best cleaner for Windows 10 available in the current industry.
- Optimize your computer and maintain its overall health with PC Booster, the best PC cleaner for Windows 10.
- It makes your machine run faster, frees up hard disk space, and deletes your browser traces.
- What we Love About PC Booster?
It provides customization system cleanup options.
- Boost your internet speed. Tune-up your device for faster loading and response.
- It repairs and fixes invalid registry entries which improve system stability.
It ensures complete online privacy and protection by deleting your browsing history and details on online activities.
Final Verdict on PC Booster. All in all, PC Booster is the best PC cleaning software for Windows 10 users seeking to get a faster and optimized Windows system.
Ashampoo WinOptimizer is one of the best free PC cleaner utility software that you can pick to fulfill your PC maintenance needs.
Read Also: Best Free Driver Updater Software For Windows.
What we Love About Ashampoo WinOptimizer?
Super- Efficient PC optimization tool that collects and deletes digital waste from your device. The computer cleaner tool is powered with a user-friendly interface. It is best known for its deep protection, junk cleaning, and PC tweaks functionality. It reduces memory hogs and optimizes the startup time of your device. Defragment your hard disk space for better performance and speed.
It erases your browsing traces and tunes up your net connection.
- Final Verdict on Ashampoo WinOptimizer. If you’re looking for an intuitive and easy to use cleaning app for Windows 10, then you should consider using this best free PC cleaning software.
- If you want to remove junk and clear disk space on your PC, pick this powerful yet easy to use best PC cleaner software.
- Symantec Norton utilities aims at enhancing your device performance to make it more fast and stable.
- What we Love About Symantec Norton Utilities? This PC cleaning utility for Windows scans your device for unwanted files, junk, system cache, and residual files to reclaim lost PC space.
It blocks all background applications to boost startup time.
- It declutters your web browser and deletes cookies browsing history and temporarily to ensure your online privacy.
- It repairs broken and invalid registry entries to speed up your PC.
- This Windows 10 PC cleaner tool comes with a 30-day free trial period.
- Final Verdict on Symantec Norton Utilities.
Norton Utilities from Symantec comes with an array of PC cleaning modules, making it one of the best tools to cleanup Windows 10 and older versions.
- If you are looking for the best free PC cleaner utility tool that can help you to remove unwanted programs, clear hard disk space, and increase the response time of your device then SlimCleaner Free can be a great option.
- Below we discuss the notable offerings of this tool that make it the best PC cleaning software of 2022.
Q4. How to perform PC cleaning for free?
Read More: How to Remove Junk Files From Windows 10.
What we Love About SlimCleaner Free? One-click PC scanning and cleanup.
Get rid of system junk, old, and large files in a hassle-free manner.
It is powered with a dedicated performance boost mode which aims at boosting the overall performance and speed of your device.
It alerts you about all unwanted startup items.
Efficiently manage the power used by your Windows computer with its power management mode. This PC cleanup tool for Windows comes with a 7 day free trial option. Final Verdict on SlimCleaner Free. In short, you can give this best PC cleaner tool a try if you want to speed up your computer and take its performance to a whole new level.
If you are a gaming enthusiast who loves to play graphic demanding games, Razer Cortex will make your gaming experience extra special.
- This best free PC cleaner for Windows 10 removes unwanted load from your system resources, defrags your hard drive, and clears out disk space to provide unmatched gaming speed.
- What we Love About Razer Cortex? It is compatible with several versions of Windows OS.
- This free PC cleanup software offers smooth visual effects with astonishing performance developments.
- It can automatically turn off unwanted background applications to ensure optimal resource utilization.
- It also provides you with FPS statistics and data. Final Verdict on Razer Cortex.
- This free computer cleaner is ideal for all gamers who wish to enjoy an uninterrupted gaming experience.
Another Best free PC cleaning software that you can pick to locate and remove junk items, fix speed issues, and maintain the health of your device is Auslogics BoostSpeed.
- What we Love About Auslogics BoostSpeed?
- It can scan your device and delete web browser cache, temporary files, residual files, system junk within minutes.
- It eliminates and erases your browsing history for enhanced online protection.
- Detects and fixes system issues for better and uninterrupted performance.
This free PC tuneup software can also adjust your internet connection for faster downloading and smooth browsing.
- Final Verdict on Auslogics BoostSpeed.
16. PC TuneUp Maestro
Auslogics BoostSpeed PC cleaner free is an all-in-one package that can help in boosting the performance of the system.
Iolo System Mechanic promises faster downloads, improved CPU speed, faster startup, and improved graphics.
This best PC cleaner software is highly popular amongst the masses for fairly good reasons.
Read More: Best Encryption Software For Windows.
What we Love About Iolo System Mechanic?
It disables and removes unwanted startup items. It patches browser loopholes and deletes your browsing history to ensure online protection. It can effortlessly remove junk and free up the hard disk space for better speed. It cleans and repairs internet settings for faster browsing speed. Final Verdict on Iolo System Mechanic. This computer cleaning software is ideal for improving the browsing experience other than just cleaning the system.
BleachBit is another incredible and efficient PC cleaning software that you can pick to tune up your slow and sluggish PC.
- Below are some of the praiseworthy features that make BleachBit one of the best free PC cleaner utilities to clear disk space.
- What we Love About BleachBit? It is a freeware PC maintenance and optimization tool.
- It can swiftly recover lost memory space by removing junk, deleting cookies, removing system logs, cleaning browsing history, and removing the cache.
- Improves your online system privacy. Final Verdict on Bleach Bit.
- Bleach Bit is a free cleaner for PC which offers whole loads of features and customization options as per needs.
- Make your PC responsive, junk-free, and fast with this stunning and best PC cleaner and tuneup software.
Use it to improve the overall health and stability of your device.
- What we Love About Wise Cleaner 365?
- It optimizes Windows startup in a hassle-free manner.
- It enhances the speed of your device by defragging your hard disk items and cleaning system junk.
It protects your online privacy by eliminating your browsing history and ensures that you don’t leave any digital footprints.
- Final Verdict on Wise Cleaner 365.
- If you’re looking for the best PC cleaning software to clear junk files and recover lost disk space, Wise Cleaner 365 is strongly recommended.
The next best free PC cleaner utility tool on our list is called Easy PC Optimizer.
This PC cleaning tool for Windows helps improve Internet download speed, boot time, RAM, and CPU performance.
What we Love About Easy PC Optimizer?
It can fix all Windows errors in a few steps.
It can effortlessly repair all broken and invalid registry entries.
Additionally, it also keeps a backup to avoid any data losses. It optimizes your device startup and eliminates all unwanted files and digital junk. Final Verdict on Easy PC Optimizer. The software offers an overall solution for the PC to improve performance and productivity for the future. Next on our list of the best cleaning software for Windows PC is FixmyPC.
Pick this feature-rich tool to fix and repair your device for all speed and performance-related issues.
- Let’s have a quick at the prominent features that make it the best PC cleaner software of the town.
- Pick this feature-rich tool to fix and repair your device for all speed and performance-related issues.
- What we Love About FixmyPC? It can fix your Windows-related problems.
- Disable background apps for better resource allocation and fast startup.
- It prevents junk from cluttering your device. It can scan your device for invalid registry entries making it more stable.
It offers one-click PC maintenance and tuneup functionality.
- Final Verdict on FixmyPC.
- If you are looking for software that offers all the tools for cleaning Windows, then FixmyPC is the software for you.
- It offers solutions for repairing and optimization.
PC TuneUp Maestro is an easy to operate software with effective tools to help run your PC faster.
- It offers an advanced suite for PC maintenance with amazing tools.
Limit System Errors and Crashes
All in all the software provides the user with options to fix, clean and optimize PCs for best performance.
What we love About PC TuneUp Maestro?
The software is best for new users as it guides them to install and download the right software for the PC.
By using the PC TuneUp Maestro user can also optimize the system’s registry.
With the inbuilt disk defragmentation tool the user can optimize the hard drives as well.
While the software is working it will keep only the necessary apps active which can help in speeding up the work. Regular updates make it more effective. Final Verdict on PC TuneUp Maestro. For all those beginners who have never used PC cleaner software before, we recommend using PC TuneUp Maestro as it offers the easiest interface with loads of professional features.
Our last pick for best free PC cleaner tool is Avira System Speedup.
- Wipeout your digital footprints and optimize your PC to enjoy safe and fast working.
- What we Love About Avira System Speedup? Delete system junk and unwanted files to keep your system clean.
- Optimize your startup items and enhance their responsiveness.
- Simple and clean interface with one-click PC cleaning tools.
- Final Verdict on Avira. Avira is among the most trusted brands, so you can trust the software for cleaning and optimizing the process as it offers all the required features to make your PC better.
Below we address all the queries you and our other readers may have about the best software to clean your pc.
- Cleanness is essential to keep the PC in good working condition.
- Hence, you should perform regular PC maintenance and cleaning, preferably once every fortnight, to ensure smooth computer operation and avoid issues like Blue Screen of Death, etc.
- All the PC cleaners shared in this article have unique characteristics, making them the best in their own way.
However, below are some of our top favorites to clean our PC.
- IObit Advanced SystemCare. Windows 10 comes with Storage Sense to delete useless and temporary files and perform recycle bin cleaning.
Improve Computer’s Performance
However, it is not as effective and feature-rich as the best PC cleaning software shared in this article. There are two ways to clean a computer for free. You can perform PC cleaning using dedicated software automatically or by following the below ways to do it manually. Use Storage Sense. Delete browser history and unnecessary extensions.
1. IObit Advanced SystemCare
Defrag the disk. Uninstall wanted software.
Turn off unneeded startup applications. Computer systems and laptops form an integral part of our day to day life. PC cleaning software helps in maintaining its overall health and ensures smooth working. Such a tool helps to remove junk files, fixes registry entries, eliminates issues resulting in slow PC speed, and enhances its overall performance.
In addition to this, they also take care of your online privacy.
So, what are you waiting for? Refer to the above mentioned best free PC cleaner software to clean, optimize, and speed up your slow Windows computer. Driver UpdaterBoost the performance of PC hardware and devices: now with 25 m+ driver updates available!
Driver UpdaterBoost the performance of PC hardware and devices: now with 25 m+ driver updates available!
Faster ComputerControl which apps use your computer's resources. Faster ComputerControl which apps use your computer's resources. Privacy ProtectionRemoves tracking files and browsing data.
- Privacy ProtectionRemoves tracking files and browsing data.
- PC Health CheckAutomatically analyzes, fixes and tunes your PC's performance.
- PC Health CheckAutomatically analyzes, fixes and tunes your PC's performance.
- Software UpdaterQuickly updates apps to reduce security vulnerabilities.
Software UpdaterQuickly updates apps to reduce security vulnerabilities.
Cleans EverywhereEven places other cleaners can't reach. Cleans EverywhereEven places other cleaners can't reach. Guards Against Junk FilesMonitors junk in real-time. Guards Against Junk FilesMonitors junk in real-time. Automatically Clears HistoryCleans your browser when you close it.