Forces Windows to keep core system files in RAM rather than paging them to the slower hard drive/SSD.
By default, Windows reserves a portion of CPU resources for background processes. You can adjust this to favor foreground applications (games). 10 FPS BOOOST REGISTRY TWEAKS
Tweak the Multimedia Class Scheduler Service (MMCSS) to ensure your GPU tasks receive top priority. Forces Windows to keep core system files in
Technical Brief: Registry Optimization for Framerate Enhancement 10 FPS BOOOST REGISTRY TWEAKS
Adjusting the "Win32PrioritySeparation" can give foreground programs more "quanta" (time slices) from the CPU.
Disabling "Game DVR" via the registry can prevent compatibility issues that cause FPS drops in older titles.