Your Windows 11 PC is always using half its RAM, and that's a good thing
That 10GB of cached memory is there to make your PC run faster.
When I open up Task Manager and I see that 60% of my 32GB of RAM is in use and I have 10GB cached even though I'm not doing anything, my first instinct is to start ending tasks and services to "free up RAM." My intuition—built in the XP and Vista era—tells me that it is a sign of a problem.
