10 Best FREE Windows Repair Tools [PC Optimizer Software]

Windows PC repair and PC optimizer tools are software applications that help you improve the performance of your operating system by correcting performance issues. PC repair tools offer customized system cleaning to improve the speed of your computer system. It also allows you to protect your system from malware and keeps your sensitive data safe.

Following is a handpicked list of Top Windows PC Repair Tools with popular features and website links. The list contains both open-source (free) and commercial (paid) software.

Top Pick

Restoro is a software that helps you to clean your registry with no hassle. This application quickly secures your PC and stops the computer from freezing and crashing. It safely repairs your computer to an optimized state.

Learn More

Top PC Repair Tools & Software: Speed up Windows Performance

Name Operating System Free Trial Link
👍 Restoro Windows ✔️ Learn More
Outbyte PC Repair Windows ✔️ Learn More
System Mechanic Ultimate Defense Windows 7,810, (XP/Vista up to v16.0.0.10) Learn More
PC Cleaner Windows ✔️ Learn More
TotalAV Windows ✔️ Learn More

1. Restoro

Restoro is a software that helps you to clean your registry with no hassle. This application quickly secures your PC and stops the computer from freezing and crashing. It safely repairs your computer to an optimized state.



  • Restoro can fix error messages.
  • This one of the best PC cleaning software allows you to repair damages made by the virus.
  • It is one of the best tools for PC repair that provides convenient PC repair solutions at any time.
  • It is one of the best PC cleanup software that repairs Windows OS.
  • It can restore and replace DLL files.
  • It helps you to search threatening apps before they damage your PC.
  • Pricing: Three pricing plans 1) License, One time pair ($29.95), 2) Unlimited use and Support for 1 Year ($39.95) , 3) Licenses Unlimited Use for 1 Year ($59.95).


2. Outbyte PC Repair

Outbyte PC Repair is a window repair pc optimizer tool that allows you to see a quick performance overview of your computer. It helps you to identify and resolve performance issues that might be affecting your PC.

Outbyte PC Repair


  • dentify and remove unused temporary or cached files
  • It helps you to prioritize specific apps for CPU processor time
  • Enables you to control the privacy of your data by disabling Windows telemetry features.
  • Helps you to solve hundreds of the most common PC issues
  • Supported platform: Windows.

Outbyte PC Repair

3. System Mechanic Ultimate Defense

System Mechanic Ultimate Defense is a comprehensive software suite of security, privacy, and performance features, all in one interface. It provides various functionalities to securely manage your system.

System Mechanic Ultimate Defense


  • Allows you to disable many overlies-aggressive Windows data-collection default settings.
  • This is one of the best PC repair tools that optimize PC performance and protects your online privacy.
  • It offers optimization features for Windows 10 to provide efficiency and reduce internet bandwidth needs.
  • This is one of the best cleaner software for PCs that helps you to improve PC boot time, internet download speed, and the performance of CPU, RAM, GPU and storage.
  • Pricing: $39.96 per year.

System Mechanic Ultimate Defense

4. PC Cleaner

PC Cleaner download, scan, and clean up tracking records from your computer. It helps you delete files that can slow down your computer and internet browsers, and it also repairs files that may slow down your computer.

PC Cleaner


  • It helps you remove files that can slow down your computer and internet browsers.
  • It offers a powerful scanning engine that finds and fixes the issues that cause a slower system.
  • You can remove software and files that may cause annoying pop-ups.
  • Provides a powerful scanning engine that finds & repairs files that may slow down your computer.
  • Supported platforms: Windows.

PC Cleaner

5. TotalAV

TotalAV Antivirus is a free malware removal that offers complete security for all your household devices in one simple to use Desktop and Smartphone application. It offers real-time Anti-Malware, Anti-Ransomware, Anti-Spyware, Anti-Adware protection.



  • Remote Firewall allows remote access to your devices
  • Real-Time antivirus protection
  • Offers a highly secured Password Vault
  • Eliminate viruses, trojans & malware
  • Ad Block Pro feature enables safe browsing with a VPN
  • Free up memory with disk cleaner
  • Supported platforms: Windows, iOS, and Android.


6. CCleaner

CCleaner is one of the best PC repair tools that clears your online tracks, frees up space, and helps you manage your machine so it runs faster. It is very simple to clean and maintain your PC using CCleaner.


  • It provides standard privacy protection.
  • This software product optimizes your computer for speed and performance.
  • This tool provides faster startup and better performance.
  • This one of the best free PC repair tools provides customized system cleaning.
  • It is one of the best tools for PC repair that boosts security and stays compliant.
  • Pricing: Two plans 1) CCleaner Free (Free), and 2) CCleaner Professional ($24.95).


7. Advanced SystemCare

Advanced SystemCare

IObit Advanced SystemCare is simple and easy-to-use software. It helps you to clean, speed up, optimize, and protect your system. It also allows you to protect your online privacy. This tool also helps you to free up your disk space by cleaning junk files.


  • It manages startup items to boost computer startup.
  • IObit Advanced SystemCare increase system security and refresh your web browsing.
  • Drive Error Resolver & Repair windows
  • Fix windows issues
  • Single Click Removal of Software Leftovers.

Advanced SystemCare

8. Ashampoo® WinOptimizer

Ashampoo®  WinOptimizer

Ashampoo® WinOptimizer is an easy to use system optimization and cleaning tool. This application enables you to combine disk space with Defrag. It can analyze your hard disk and other installed hardware.


  • It offers a dashboard for instant accessing features.
  • The program supports the Microsoft Edge Chromium browser.
  • It uses an instant junk file cleaning algorithm.
  • Ashampoo provides detailed analysis logs.
  • It has enhanced browser extension manager.

Ashampoo®  WinOptimizer

9. O&O CleverCache

O&O CleverCache makes sure that the file cache is reset while the computer is running. It allows you to maintain maximum levels of performance on your computer.

O&O CleverCache


  • Reduces file cache of minimized programs.
  • This PC repair and optimization tool offers enhanced profile management.
  • This PC optimization software helps you to control the interval of the file cache.
  • Maximum usage of your PC resources.

O&O CleverCache

10. Avanquest

Avanquest is a PC repairing software that helps you to fix PC problems and speed up Windows. It allows you to stop crashes and freezes of your PC.



  • Total virus and spyware protection.
  • Fixes performance problems and speed up your Windows OS.
  • Repairs System and hard drive errors.
  • This PC repair and optimizer tool offers complete PC maintenance.

Link: https://www.avanquest.com/USA/software/fix-it-utilities15-professional-501513

11. Tweaking

Tweaking is another useful Windows 10 repair tool that fixes issues and boosts PC performance. It resolves computer-related problems like fixing registry errors, file permissions, Windows updates issues, firewall, and network issues.



  • Provides automatic updates
  • Offers enhanced driver cleaner.
  • Easy memory cleaner functions.
  • It helps you to run speed tweaks.
  • Provides Windows quick link menu.
  • Supported platforms: Windows XP, 7, 8, and 8.1.

Link: https://www.tweaking.com/

12. Snappy Driver Installer

Snappy Driver Installer is a free and open-source PC optimizer software that makes sure your PC is up-to-date. It offers a wide variety of new drivers to install on your system.

Snappy Driver Installer


  • It offers offline driver updates, which means you can download the drivers across multiple devices.
  • Updates and installs missing drivers.
  • This Windows 10 repair tool can recognizes and fixes duplicate and invalid drivers.
  • It helps you to locate and open the INF files for drivers.
  • It offers multiple drivers that are downloaded in packs.
  • This tool works fine on 32 bit and 64 bit of all Windows OS.

Link: https://sdi-tool.org/

13. FixWin10

FixWin10 is a useful PC repair tool for Windows 10 that helps you solve common problems like recycle bin, internet explorer and startup issues. It also provides more advanced PC tune-up features, like regaining access to the registry editor.



  • You can make a restore point, and it also allows you to restore your registry.
  • It is one of the best Windows optimizers that helps you to fix automatic updates.
  • Helps your o delete warning boxes.

Link: https://fixwin10.com/


💻 What are PC repair tools?

PC repair tool are software applications that help you improve the performance of your operating system by correcting performance issues.

PC optimizer tools offer customized system cleaning to improve the speed of your computer system. It also allows you to protect your system from malware and keeps your sensitive data safe. To know more about How to Speed Up Windows 10: Click here

✅ Which are the Best Windows Repair Tools?

⚡ How do PC Repair Tools work?

Here are some tasks performed by PC Repair Tools:

  • Speed up Windows, Saving You Time: PC repair tools can free up resources and other things that creates issues in your PC.
  • Targets Specific Errors in Windows: Error messages in Windows and other programs are caused by some form of misconfiguration, missing files, or similar problems. PC repair tools can resolve plenty of errors of your computer system.
  • Helps reduce Clutter: Operating a computer can sometimes be problematic. PC Repair Tools simplifies things with its repair and helps you to optimizing processes and reduces the clutter that causes your computer to stop or not multi-tasking properly.
  • Registry cleaning: It cleans up your Windows registry. It helps you remove redundant registry entries, increasing your PC’s speed so that it runs faster and smoother.Other important tasks performed by PC repair tools:
  • Fixes common Windows issues.
  • It helps you to reduce system crashes.
  • Removes over 50 various junk files and frees up disk space.
  • It helps you to scan your PC with just one click.

Also check: Best Driver Update Software for Windows PC

❓ What are registry cleaner tools?

Registry cleaner tools are applications used to remove duplicate items from the Windows registry.
Most PC repair/optimizer tool have this feature.

❗ Are Windows 10 repair tools safe to use?

Yes, assuming you have used some of the most reputable and widely used tools (listed above). In that case, they are impervious to harmful bugs, viruses, and malware. Therefore, you should be extra cautious and stay away from cheap and harmful tools.

To know more about Best PC Cleaner Software for Windows:Visit here

🚀 Does Windows 10 have a repair tool?

Yes, Windows 10 do have a built-in repair tool that helps you troubleshoot most common PC issues. However, most of the time, it may not resolve all the issues of your PC.

🏅 How do junk files affect my computer?

Junk files are temporary files that are mostly created by various computer programs that no longer required but were never removed after they were created.

These files never affect your computer performance, but they can take up a lot of valuable storage space with time. If you have expensive and smaller SSD drives installed on your PC or laptop, then these junk files must be removed to free up valuable space.

⭐ What do I do about app crashes?

PC Repair displays a log of app crashes for your reference only. App crashes are mostly just a minor nuisance, though sometimes App crashes can cause data loss or it can also damage the operating system. You can try several tweaks to fix App crashes in Windows OS like:

  • Disable antivirus software
  • Disable firewall
  • Reset or reinstall the crashing Apps
  • Check and reset time and date
  • Reset the Windows store processes
  • Clear Windows store cache
  • Re-register ownership on Windows store and apps
  • Update Windows to the latest version

👉 Why should you opt for an external repair tool when Windows offering you with a built-in version?

Built-in Windows 10 repair tool helps you resolve common PC issues, it is still not enough to deal with many other issues that make your system sluggish.

There are many best PC tool kits designed with additional and practical features that address many complex
PC issues and fix them easily.

💥 What else can I do to repair your PC?

Here, are things you need to do to repair your PC:

  • Before installing the PC tune-up tool to fix Windows 10 problems, you need to make sure you have done something vital: update your Windows to the latest version. More often, Windows updates can eliminate annoying bugs. Press Windows key + I to open the Settings panel and click on Windows Update. However, before updating save your work, bookmark browser tabs, and hit the restart button.
  • You need to ensure you have anti-virus and anti-malware software installed.