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10 Best Free PC Cleaner Software For Windows 10,8,7 in 2021
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10 Best Free PC Cleaner Software For Windows 10,8,7 in 2021

Best PC Cleaner & Optimizer for Windows 10, 8 ,7 to TuneUp your PC & Improved Performance.

Are you looking for different ways to speed up your slow Windows 10 computer? Well, If the answer is Yes, you have come to the right place. Here, we have listed  The Best PC Cleaner Software that will help optimize your Windows 10 and older versions. Using these system cleaning tools you can boost speed & enhance performance to make it work like a new one.

Undoubtedly, over time not only Windows but other operating systems also display low disk space error messages. Therefore, it is essential to regularly optimize the system, clean its caches, junk, obsolete files, duplicates and more.

Here we have rounded up both the Paid & Free PC Cleaner Software that is absolutely worth trying. However, if you are a Mac user read our article on the Best Mac Cleaners 2021.

Top 3 Recommended PC Cleaner Software

Advanced System Optimizer

  • Cleans Junk and Obsolete Files
  • In-built Game & PC Booster
  • Removes malware, adware spyware


  • Auto Updates
  • Clean Registry Error
  • Real-time Monitoring

Iolo System Mechanic

  • Fix Registry Errors
  • Enhance Drive Speed
  • Removes Bloatware

List Of The Best Free PC Cleaner & optimizer Software for Windows 10, 8, 7 in 2021

Here is the list of the Best PC cleaning software for your Windows 10,8,7, Vista that will help you boost system speed and improve its performance.

1. Advanced System Optimizer – Best and Easy to Use PC Cleaner

Supported Operating System: Windows 10, 8, 7, Vista, XP

Advanced System Optimizer

Whether you are looking for a free or paid PC cleaner tool this system optimization features both the versions. Using it you can clean junk files, browser cache, cookies, duplicate files, invalid registry entries, malware infections and more.

Click Here to Download Advanced System Optimizer

Advanced System Optimizer is a complete system optimization suite with 20+ modules. Effective at dealing with storage space issues, slow performing system, driver update problems, this tool covers everything. Further, you can use the Game Optimizer module to play uninterrupted games & use Windows Optimizer, Disk Cleaner, Disk Optimizer and more for lag-free performance.

Benefits: Advanced System Optimizer

  • Cleans and optimizes storage by removing junk files, invalid registry errors, duplicate files, disk fragmentation, etc.
  • Cache Cleaner, PC speed booster, RAM cleaner.
  • Shields your Windows system from malware, spyware, adware, and other malicious threats. Further helps to encrypt data, delete it securely (for non-recovery), clean privacy exposing traces and more.
  • Offers real-time memory optimization, driver updater, game optimization for better performance.

Read Full Review of Advanced System Optimizer

2. CCleaner – Best Cleaner App

Supported Operating System: Windows, macOS, Android

CCleaner - Best Cleaner App

Get It Here

Another powerful PC cleaning software that helps boost PC speed is CCleaner. It did go through a rough patch but now everything is fine, it’s safe to use. CCleaner’s powerful scan engine scans at every nook and cranny of the system to optimize performance and clear files that take up unnecessary space. This is one of the easiest to use best PC cleaning utility, which shows a noticeable performance boost. It comes both as a paid and free PC Cleaner.

The paid version of this system optimizer for Windows 10 offers real-time protection and scheduler however the free version of CCleaner covers basic operations like removing cache, cookies, temporary files, and more.

Benefits: CCleaner

  • Powerful PC cleaning utility with simple modules.
  • Offers scheduler for automatic cleaning.
  • Automatic updates.
  • Cleans invalid registry errors.
  • Fewer system crash and real-time monitoring.

Read Full Review of CCleaner

3. Iolo System Mechanic – PC speed booster and performance enhancer

Supported Operating System: Windows 10, 8, 7, Vista, XP

Iolo System Mechanic

Get It Here

Iolo System Mechanic is an excellent tune-up utility that helps speed up computers by removing junk files, defragging the hard drives, cleaning RAM, blocking bloatware, etc. The yearly license of Iolo System Mechanic costs $ 49.95 annually.

Not only this, but the PC speed booster also helps free up system resources. After installing this PC cleaner and optimizer you’ll be prompted to perform an initial system scan and analyze the system for potential issues like broken registry entries,  junk files. You can either use a Quick or Deep scan. The latter scan version takes a bit longer to scan the system, but it detects more problems.

Benefits: Iolo System Mechanic

  • Each option is well explained this makes using this junk cleaner for PC easy.
  • Optimizes system performance and boosts PC speed/
  • Different scan types for quick and thorough cleaning.
  • Faster downloads improve CPU usage.

4. IObit Advanced SystemCare

Supported Operating System: Windows 10, 8, 7, Vista, XP

IObitAdvanced SystemCare

Get It Here

A PC cleaning tool ideal for both novice and expert users. Using this feature-packed system optimizer, you can keep your PC in tip-top shape – update drivers, uninstall unwanted applications, clean junk files and so on. Since Junk files are one of the most common reasons for slowing down PC, you can rely on this tool to perform the automatic cleanup. Unlike other free PC cleaner tools, IObit Advanced SystemCare clearly specifies options available for free and paid users.

With a relatively small interface, IObit Advanced SystemCare can check for unnecessary startup processes, temporary files, broken shortcuts and more. This tool is an impressive free PC optimization utility that cleans and speeds up PC in no time.

Benefits: IObit Advanced SystemCare

  • Customizable scanning types, real-time system monitoring.
  • Spyware removal tool.
  • Easy to use interface, faster PC response time.
  • Pro version offers RAM cleaner.

5.  CleanMyPC – Essential PC cleaning and optimization software

Supported Operating System: Windows 10, 8, 7, Vista, XP


Get It Here

An advanced Windows PC cleaning tool that scans your complete system for junk files, obsolete files, etc. Best-known for boosting PC performance and make it run like the new one. Using this Windows 10 system optimizer, in just a few clicks you may know where junk files are stored and if they are safe to remove or not. CleanMyPC keeps the registry clean and optimized on your PC. Further, you can uninstall the program successfully without leaving any traces or invalid residues and can disable autorun items to boost startup.

Benefits: CleanMyPC

  • Protects online privacy by clearing cache and other privacy exposing traces.
  • Shreds deleted files making recovering impossible.
  • Scans and updates outdated system drivers that may lead to BSOD and other system errors.
  • Helps manage browser extensions, plugins that slow down the browser.

6.   Auslogics BoostSpeed 11 – Comprehensive PC cleaner and optimizer for Windows 10

Supported Operating System: Windows 10, 8, 7, Vista, XP

Auslogics BoostSpeed 11

One of the oldest cleaning utility in this category, Auslogics PC Booster is a 10-year-old software, that you can use to optimize and free up space on Windows 10 in a few clicks. Auslogics BoostSpeed 11 disables automated processes that slow down system speed.

Another important thing about this best PC Cleaner software is the new Cat Mode that detects crawling of cat or dog on the keyboard and prevents them from doing it.

Benefits: Auslogics BoostSpeed 11

  • Eliminates digital footprints and offers ideal privacy protection options.
  • Basic registry cleaning, memory management, disk defragmentation tools are available.
  • Manual Internet optimization, junk cleaner, web browser caches remover, are offered with this Windows PC Cleaner.
  • Scans and fix problem in real-time.

7.  Ashampoo WinOptimizer Free

Supported Operating System: Windows 10, 8, 7, Vista, XP

Ashampoo WinOptimizer Free

A great addition to any PC for freeing up unnecessary occupied disk space is Ashampoo WinOptimizer. It is a well-designed free PC cleaner and optimizer that offers extensive web browser cleaning and privacy features. Using various models, you can analyze, tweak and customize Windows optimization.

This powerful PC cleaner app for Windows helps improve startup time, gives detailed information about installed software and hardware. Further, it lets you free up disk space, fix invalid registry entries, clear junk files, cache, cookies, etc.

Benefits: Ashampoo WinOptimizer Free

  • It helps remove internet traces, cleans hard disk.
  • One-click optimizer that fixes invalid registry entries and optimizes registry.
  • Delete files permanently from the recycle bin.
  • Securely wipe and overwrite files to free up disk space.
  • A complete cleaner app that works as RAM cleaner, cache cleaner, etc.

8. Norton Utilities Premium

Supported Operating System: Windows 10, 8, 7, Vista, XP

Norton Utilities Premium

With age, things slow down and the same applies to our system. On average the lifespan of a PC is between three to five years. But its performance can slow down anytime and can cause problems. Therefore, we need an automated cleaning and repair tool.

Norton Utilities Premium is one such cleaning & optimization tool that will help fix common issues and bring back the system to a good shape. In simple words, it will make your system healthier.  The more organized your hard drive is, the better is the system performance. This one is one of the best PC cleaner software that understands the concept of ideal cleaning and works towards providing smoother performance.

Norton Utilities Premium cleans up hard disk, remove unused applications resulting in freeing up space and boosting system speed.

Benefits: Norton Utilities Premium

  • Automatically optimizes system, processing power.
  • Fixes common issues instantly and speed up PC performance.
  • Free up space and allows faster access to programs.
  • It helps maintain digital privacy.
  • One-click PC optimizer.

9. Razer Cortex – Great Game Booster Utility

Supported Operating System: Windows 10, 8, 7, Vista, XP

Razer Cortex - Great Game Booster Utility

This Windows cleaner app for PC focuses on boosting game performance.  Using this game booster, you can unlock your system’s full potential and enhance performance. If you are a gamer and you are facing problems while playing on your PC this game optimizer is the answer to all your common problems.

Using Razer Cortex system optimizer for Windows 10 and older versions you can free up memory taken up by unnecessary system processes, defrag system and get the best gaming performance possible.

Benefits: Razer Cortex

  • Automatic optimization.
  • Schedule cleaning and scans.
  • Easy to use game optimization utility.
  • Junk file cleaner, and a great platform that delivers game deals.

10. Super PC Care – Compact PC cleaning utility

Supported Operating System: Windows 10, 8, 7, Vista, XP

An all-in-one PC cleanup and maintenance suite for Windows 10 and older versions. Using this best PC cleaner software, you can remove malware, junk files, unwanted startup items, invalid registry entries and more. This junk cleaner for PC ensures there are junk files left on the pc that takes unnecessary disk space. Moreover, it protects your system from intrusive ads that you face while browsing the web. IT also blocks malicious links and websites thereby granting all-round protection.

Benefits: Super PC Care

  • Invalid registry cleaner and Windows 10 system optimizer.
  • It make PC performance stable and fast.
  • Blocks ads, remove malware.
  • Recovers storage space removing junk, temp, duplicate files.

What to look for in the Best Cleaner App for PC?

Discussed are some of the ideal qualities that a dedicated PC Cleaner and Optimizer should have for Windows 10: 

Performance – The most essential benefit that cannot be ignored, is the enhanced performance. A good PC Cleaner app should do what it claims. If it can’t boost system speed, free up space on your Windows, clean junk files, it’s not worth trying. It’s more like a scam.  Every PC cleaning utility & optimizer works differently therefore, it is important to check its features, functionalities and observe a noticeable change in system performance after running the PC cleaning tools.

Ease of Use – An excellent PC speed booster is the one that is versatile and user-friendly. This means both beginners and Pro users can use it. However, there are no universal standards that an application needs to pass. So, pay attention to the user interface and its ease of use.

Security – All apps should be infection-free & offer optimum protection. So, while looking for the Best PC cleaner app we kept this point in mind and used Advanced System Protector to scan each app installed on the system & then decided for which one to go

Download Advanced System Protector

Platforms – If the PC cleaning utility is not compatible with the latest operating system like Windows 10 it is of no use. Moreover, it is a clear indication that the software is outdated and lacks updates. There might be security risks too.

Customer support – A PC cleaning tool designed by a trusted company always have customer support. If you cannot find one, avoid trusting that particular PC cleaner & optimizer for your Windows 10.

FAQ’s: Best PC Cleaning & Optimization Utilities For Windows

1. How to free up space on Windows 10?

To free up disk space on Windows 10 you can either run Disk Cleanup or can use Advanced System Optimizer’s Disk Cleaner and Optimizer module. If you use the former option, click Disk Cleanup button using Start Menu > select the type of files you wish to remove and that’s it. However, if the latter option is your choice you can set a scheduler to run automatic scanning and easily clean unwanted files taking up unnecessary disk space.

Click Here to Download Advanced System Optimizer

2. Why do you need a PC cleaner software?

PC cleaner software is required due to the following reasons:

  • To boost system performance and speed.
  • Protect data privacy and online browsing.
  • Effective program uninstallation.
  • Free up space, clean junk files, cache, etc.
  • Clean RAM, hard drive, etc.
  • Optimize system and clean PC.

3. Qualities Of An Ideal PC Cleaner Software?

An ideal PC speed booster should include the following qualities:

  • It should be an all-in-one system optimizer tool & compatible with Windows 10 and older versions.
  • Safe to use, virus-free.
  • Should come with options to clean junk files, optimize hard disk, clean cache, cookies, etc
  • Shield your system from virus, malware attacks.
  • Update outdated drivers and clean invalid registry entries.

4. What is the best cleaner for Windows 10?

You can find a number of PC cleaning tools in the market. But picking the best PC cleaner & optimizer is not easy. Therefore, while looking for a dedicated cleaner app for PC make sure it includes junk file cleaner, driver updater, registry cleaner, and optimizer. Additionally, it should offer a malware scanner, disk optimizer, duplicate file cleaner, cache cleaner, and more tools that will help optimize system performance.


Picking up the best PC tune-up software that helps boost system speed and fixes computer issues is not easy, Therefore, for your convenience we have listed the best PC cleaner tools that will help optimize game performance, clean junk files, free up space and do a lot more. You can use any of the tools mentioned above to boost speed on your Windows machine.

If you are looking for our recommendation our pick is Advanced System Optimizer as it offers various tools & options for complete system optimization. Try these tools and let us know which tool you picked and why in the comments section.

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