How to Disable Superfetch on Windows 10 and 11
Superfetch (known as SysMain in Windows 10 and Windows 11) is a built-in Windows service that preloads your frequently used apps in the RAM. If you experience sluggish performance on your PC, you may want to turn this feature off. Here’s how to do that.
Superfetch Sysmain Sysmain Properties Windows Vista Window Superfetch Off Superfetch From Command Line
Source: howtogeek.com