This essay drafted on MiniTool official page focuses on the best system optimizer for the next generation of operating system (OS) – Windows 11. It introduces altogether 10 tools with more details for the first three. Read the below content to learn more.

As Windows 11 has already come into our life, one of the managements we should do is to select and download a system optimizer for Windows 11, better free of charge!

Why Need to Download System Optimizer Free Windows 11?

Like using the other editions of operating systems such as Windows 10 or Windows 7, you may experience bad system performance (slow speed, no response, high CPU usage, etc.), especially when using the system for a long time.

If you just find it annoying using Windows 11, it probably means that it’s time to optimize your OS for better performance. Especially, Windows Insider Program users who have used Windows 11 for several months may encounter low disk space or similar problems.

If you are a game enthusiast, you surely want a better game performance on your Windows 11. Thus, you should optimize both your hardware and software to boot your gameplay.

Two Gaming Features - How to Optimize Windows 11 for Gaming
Two Gaming Features - How to Optimize Windows 11 for Gaming

What are Windows 11 gaming features? What Windows 11 means for gamers? How to optimize Windows 11 for gaming? Read this article to know much.

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Top 3 System Optimizer Free Download Windows 11

Now, let’s introduce you 3 most popular Windows 11 system optimization programs that are free to boot Windows 11 to a higher level of performance.

#1 Ashampoo WinOptimizer Free

Ashampoo WinOptimizer Free is equipped with all the standard features of most computer cleaners and optimizers. It also indicates CPU load and PC status in a classified manner and takes necessary measures to improve overall system speed. Ashampoo WinOptimizer features an automatic tab for auto-cleaning, game optimization, and live monitoring. With it, you will always enjoy your computer time!


  • A comprehensive package to clean, optimize, and protect.
  • A dedicated scheduler for regular optimization.
  • Update frequently.


  • It may deliver false alarms.
  • It may operate slower than other alternatives.

Download Ashampoo WinOptimizer Free >>

#2 IObit Advanced SystemCare Free

IObit Advanced SystemCare Free is the free edition of the system optimization program developed by IObit. It can speed up your computer, clean your PC with AI, boost your network speed, and protect your private data.


  • Intelligently clean and speed up PC according to your optimization habits and PC performance status.
  • Keep updating the most-used programs to get rid of some high-risk vulnerabilities and stay safe.
  • Clear tracking data and disguise digital fingerprints to keep each online behavior private.


  • No drive exclusion feature.
  • Include bundleware.
  • Include ads

Download IObit Advanced SystemCare Free >>

Free Computer Tune up – How to Tune up Windows 10/11
Free Computer Tune up – How to Tune up Windows 10/11

How to tune up a computer or PC in Windows 10/11 for better performance? Follow these tips below to make your old machine run like new again.

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#3 Iolo System Mechanic

Iolo System Mechanic is an advanced system cleaner that is free to try for 30 days. It is able to quickly remove junk files. Iolo System Mechanic claims to repair more than 30,000 problems that will cause slow system performance. It lists many kinds of issues in a classified format and recommends the best fixes to solve them.


  • Easy to use.
  • Intelligent cookie scanner.
  • Comparatively more features in its free version.


  • Add-ons included.
  • Some unnecessary features included.

Download Iolo System Mechanic >>

Additional Excellent Free Windows 11 System Optimizers

Besides the above three most recommended system optimizing tools, there are still lots of such products online. We have picked out seven of them and listed them below for your reference.

The new and powerful Windows 11 will bring you many benefits. At the same time, it will also bring you some unexpected damages such as data loss. Thus, it is strongly recommended that you back up your crucial files before or after upgrading to Win11 with a robust and reliable program like MiniTool ShadowMaker, which will assist you to protect your increasing data automatically on schedules!

Free Download

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