9 Best Free PC Cleaner & Optimizer For Windows 10, 8, 7 [2021]

PC Optimization Top 10

Want to get right to the point? Out Top Picks for the Best PC Cleaner & Optimizer for Windows 10 & other versions are Advanced PC Cleanup & Iolo System Mechanic.

If your Windows computer suffers from slow boot times, frequent system crashes, or other common PC errors, download a PC Cleaner & Optimizer right away. Using these performance-enhancing programs, you can significantly improve speed and boost overall productivity. All these computer cleaning & tune-up utilities perform various tasks such as clearing junk files, caches, cookies, browsing history, temp files, fixing invalid registry entries, removing duplicate content and limiting unwanted processes from using the memory in the background & much more.

The market is packed with plenty of paid & free PC Cleaning & Optimization solutions, all claims to deliver faster performance than ever, but not all live up to the hype. That’s why we’ve tested more than 30 Software that optimizes PC and rounded up the ones that will surely speed up your system and maintain it for a longer duration.

List of Contents

What To Look For In The Best Computer Cleaning & Optimization Software?

Today, most of the PC Cleaner & Optimization Software for Windows 10 and other versions comes with a wide range of features for thorough cleaning and protection. The ideal ones include tools like:

  • One-Click Fix: To quickly clean PC & optimize overall performance:
  • System Cleaner: To scan & remove useless clutter, junk files, caches, cookies & more.
  • Memory Optimizer: To manage background processes that use unnecessary RAM.
  • App Uninstaller: To locate large, unused, unwanted apps & remove them in bulk.
  • Registry Cleaner: To find & repair invalid registry entries.
  • Driver Updater: To install the latest & compatible drivers for each device.
  • Duplicate Cleaner: To remove similar & identical photos, videos, audios & other files.
  • Game Booster: To enjoy the fastest & lag-free gaming experience.
  • Privacy Controls: To give your PC 360-degree protection.

And much more! Having each of these functionalities in one tool indeed makes the Best PC Optimizer software for Windows.

9 Best PC Cleaner and Optimization Software for Windows 10, 8, 7

Here is the list of the best pc optimizer and cleaning software to tune up your Windows computer.

1. Advanced PC Cleanup

advanced pc cleanup
Best choice (Recommended)

Advanced PC Cleanup

  • Removes junk, old downloads, and obsolete files.
  • Removes identity traces
  • Manager Startup programs.
  • Scans invalid registry entries.
  • Protects from malicious elements.

Free Version: Lifetime (Limited Features)

Full Version: $39.95

Advanced PC Cleanup is a complete package to clean obsolete and redundant files and restore disk space. It is also a proficient startup manager to customize the applications launching at the startup of your system. It can easily uninstall programs and remove old downloads from your computer. With its Pro version, you can scan registry, clean unwanted files along with the identity traces from the browser history. It will provide you with protection from the virus, trojans, adware, and spyware.


  • Runs deep scan of the system.
  • Start-up program manager.
  • Free version available.
  • Money-back guarantee within 60 days.


  • Only for Windows.

2. Iolo System Mechanic


Iolo System Mechanic

  • Wide range of PC cleanup tools
  • Optimize Startup Configuration
  • Optimizes Hidden Internet Settings
  • Repair Broken Shortcuts & Internet Connections
  • Automatically Increases The Speed Of CPU, Hard Drive & RAM

Free Version: 30 Days

Full Version: $49.95



System Mechanic by Iolo is another great PC optimizer for Windows 10 that helps clean junk, and it claims to repair over 30,000 problems, which can lead to a slow working computer. It lists a variety of problems in a classified format and recommends the best fixes to resolve the issues. You’ll be surprised to see the incredible boot time & improved RAM performance. read the complete review here: iolo System Mechanic Review


  • Excellent customer support
  • Backs up Windows Registry
  • Noticeable performance boost


  • Cluttered dashboard with too many features can confuse users.

3. Piriform CCleaner

Piriform CCleaner


Piriform CCleaner

  • Advanced Cleaning
  • Tools To Repair Registry
  • Duplicate Finder To Reclaim Space
  • Startup Manager
  • Uninstall Bulk Applications

Free Version: 14 Days

Full Version: $24.95


CCleaner by Piriform is one of the most popular PC cleaning software for Windows 10 among all the ones listed here. The computer cleaner is highly compatible with all the latest & oldest versions of Windows and macOS. It has an excellent set of cleaning & optimization tools to wipe hard drives & tackle multiple types of PC issues. You can read the complete review here: Is CCleaner Still The Best PC Optimizer Tool?


  • Easy to use computer optimizer
  • Intelligent cookie scanner
  • Free version includes lots of features.


  • Tries to install add-ons at the time of installation

4. Advanced System Optimizer


Advanced System Optimizer

  • One-Click Maintenance
  • Remove Junk & Duplicates
  • Manages Startup Items
  • Registry Cleaner & Memory Optimizer
  • Game Optimization

Free Version: Unlimited

Advanced System Optimizer by Systweak Software is an excellent tune-up utility to clean, optimize & protect Windows 10 PC. It boasts a powerful set of features, which ensures your system works super smoothly without any lags. Using the multipurpose tool, you can maintain your system’s health & make it run like a new one for a longer duration. You can read the complete review here: The Fastest Cleaner & Optimizer!


  • Powerful Deep system scanning
  • Registry optimization.
  • Free of cost.


  • Lacks customization
  • No support for Mac users

5. IObit Advanced SystemCare Pro

IObit Advanced SystemCare Pro

  • Startup Optimization & Junk File Cleaning
  • Registry Repairing
  • Privacy Sweeping
  • Disk Optimization
  • Driver Updater

Free Version: 15 Days

Full Version: $19.99


Next on our list of Best PC Optimization Software for Windows 10 is Advanced SystemCare Pro by IObit technologies. The software comes loaded with several PC performance-enhancing tools to take care of a variety of optimization needs. Using this tune-up utility, you don’t have to worry about cleaning temp files, caches, unwanted resides, broken registries & so on.


  • Sleek interface design
  • Privacy sweeping tools
  • Adware & Spyware removing tools


  • Cannot exclude drives from cleaning
  • Installs extra programs at the time of installation

6. CleanMyPC




  • Junk & Cache Cleaner
  • Registry Fixer
  • Bulk Uninstallation
  • Manage Auto-run Applications
  • Data Shredder To Remove Files Permanently

Free Version: No Limit

Full Version: $39.95


Our list of Best PC Tuneup utilities for Windows 10 & other versions would certainly be incomplete without mentioning CleanMyPC. It includes a decent bunch of optimization tools, such as Computer cleanup, Uninstaller, Registry optimizer, Startup manager, File shredder, Browser extensions manager & more. Install CleanMyPC right away to eliminate frequent crashes & errors.


  • Multilingual computer cleaning software
  • Trial version can clean up to 500 MB of junk.
  • Autorun optimization


  • Doesn’t get frequent updates

7. Glary Utilities Pro 5

Glary Utilities Pro 5

Glary Utilities Pro 5

  • One-Click Maintenance
  • More Than 20 Tools To Optimize System
  • Variety Of Tools To Protect PC
  • Disk Repair & Registry Cleaner
  • File Encryptor To Password-Protect Files

Free Version: No Limit

Full Version: $39.95


Glary Utilities offers one of the best free PC Cleaners out there along with paid versions, which work amazingly well to speed up your computer & enhance overall performance. It displays the boot time and suggests tips about what needs to be cleaned so that your system can perform smoothly. It offers a well-organized interface and a suitable choice for both novices and advanced users.


  • File Splitter to divide files into small files
  • Displays complete system information
  • Keeps a complete track of PC performance.


  • Doesn’t have dedicated tools to improve browsing speed

8. Ashampoo WinOptimizer

Ashampoo WinOptimizer

Ashampoo WinOptimizer

  • One-Click Optimizer
  • Internet Cleaner To Remove Traces
  • Drive Cleaner
  • Uninstaller & Context Menu Editor
  • Tools To Control Windows Services & Processes

Free Version: 40 Days

Full Version: $49.99


Equipped with all the standard features of Best PC Cleaner & Optimizer, Ashampoo deserves a place in our list. It indicates CPU load and PC status in a classified manner to take necessary measures to improve overall system speed. It features an Automatic tab for auto-cleaning, live monitoring, and game optimization so that you have a smoother experience than ever.


  • Receives frequent updates
  • A dedicated scheduler for regular optimization
  • A comprehensive toolkit to clean, optimize & protect


  • Lots of tools can confuse users.

9. AVG TuneUp

AVG PC Tuneup

AVG TuneUp

  • Clean Up PC & RAM In A Click
  • Sleep Mode That Freezes Unneeded Apps
  • Built-In Software Updater
  • Junk Cleaner
  • Startup Manager

Free Version: 40 Days

Full Version: $49.99


Apart from regular system cleaning, AVG Tuneup offers a unique functionality – Sleep Mode, that boosts your PC performance when you are not using the system. It’s automatic and scheduled scanning for routine maintenance works amazingly well. It ensures your computer works in an optimal state for long hours, without any lags.


  • Supports hard drive defragmentation
  • Remove duplicate files in a few clicks.
  • Economy mode to balance power & work


  • Dashboard can be improved.

Which Is The Best Software To Clean A PC? | Must-Have Windows 10 Optimizers (2021)

Here’s a brief comparison of popular PC Cleanup & Tune-Up Utilities, based on Key Highlights, Price & Compatibility.

Top 8 PC Optimizers Key Highlights Compatibility Price Download Now
Advanced PC Cleanup Cleans junk files, redundant files, and programs to free up storage space. Windows 10/8.1/8/7 (both 32 bit and 64 bit) $39.95
Iolo System Mechanic Multiple Scanning Modes For Quick & Deep Cleaning Windows 10,8,7 $49.95
Piriform CCleaner Availability For Both Desktop & Mobile Users (Popular Choice) Windows Vista, XP, 7, 8, 8.1, 10 $24.95
Advanced System Optimizer Complete Optimization Suite With Tools To Clean, Protect & Speed-Up Performance Windows Vista, XP, 7, 8, 8.1, 10 (Both 32-bit & 64-bit) Free
IObit Advanced SystemCare 14 Pro Simple, Straightforward Dashboard (Suitable For Novice & Advanced Users) Windows 10, 8, 7 $19.99
CleanMyPC Excellent Memory Boosting Modules To Speed-Up Performance Windows 10, 8, 7, XP $39.95
Glary Utilities Pro 5 Offers A Flash Set Of Small yet Useful Tools To Enhance Productivity Windows XP & above $39.95
Ashampoo WinOptimizer Configure Privacy Settings & Manage Administrative Tools From One Dashboard Windows 10, 8, 7 (Both 32 bit & 64 bit) $49.99
AVG TuneUp Excellent Tools For Boosting Internet Speed Windows 10, 8, 7 $49.99

People Also Ask:

Q1. Which Is The Best Cleaner For PC?

Advanced PC Cleanup & CCleaner are the best software to clean PC and keep it in a good shape for a long time. Both the cleaning utilities, offer excellent modules for thorough system cleaning, 360-degree protection & memory boosting.

Q2. What Should I Do To Clean My PC?

Though the best bet to clean your computer is through a dedicated computer optimizer. Alternatively, you can follow multiple steps like Keeping your hard disk free, closing unused tabs, cleaning browsing traces, temp files, removing large/unnecessary files & so on to keep your system in tip-top shape.

Q3. Is PC Cleaner Safe?

There is a variety of PC Cleaning & Optimization tools available in the market that pose as genuine to enhance and speed up performance. However, not all claims live up to the hype. After researching more than 30 PC Cleaning Apps for Windows, we have rounded up these eight. All are safe to use and capable of fulfilling the optimization needs and requirements.

Q4. How Can I Optimize My Computer Performance?

To optimize your PC manually, then you must do the following:

Q5. Do PC Tuneup Programs Work?

Well, the short answer is Yes! PC Tuneup Utilities makes a noticeable difference in the speed and overall performance of computers.

Q6. What Does A PC Optimizer Consist Of?

The best PC Optimizer for Windows is the one that can help in identifying & removing temp files, uninstall useless computer programs, fix invalid registry entries & helps in resolving common computer errors by optimizing the device for peak performance.

What Do You Think?


  • mariya jonsan
    I am also Using Advanced System Optimizer and it provides me one of the best solution and result i love to share this my friends and group members.

    4 months ago Reply
  • Jack
    Advanced System Optimizer is one of the best pc cleaners I’ve used. But the others on the list also look interesting. Will definitely try them as well.

    4 months ago Reply
  • Awake MF
    You skank, trying to sell pricey software, for commission. There are so many free options out there, you don’t even mention one.

    3 months ago Reply
  • Beta
    “Advanced PC Cleanup” looks like a great utility, but it cost $39.95 for one system, and I have three. That’s above my pay grade.

    4 weeks ago Reply

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