If your Windows system has slowed down and isn’t speeding up no matter how many programs you uninstall, you should consider reinstalling Windows. Reinstalling Windows may often be a faster way to get rid of malware and fix other system issues than actually troubleshooting and repairing the specific problem.

What happens if I reinstall Windows 10?

Although you’ll keep all of your files and software, the reinstallation will delete certain items such as custom fonts, system icons and Wi-Fi credentials. However, as part of the process, the setup will also create a Windows. old folder which should have everything from your previous installation.

Will reinstalling Windows 10 improve performance?

Reinstalling Windows will speed up your computer by removing junk files and apps that you no longer want. It also removes viruses, malware, and adware. In short, it will return Windows to its most clean state.