I've noticed that my Windows system is idling with around 13GB of RAM usage even when I have no applications open, which seems excessive. I checked the processes, but nothing is showing that it should be using that much memory. I even ran RamMap, as others suggested, and found that 'process private' is using nearly 6GB. Can someone explain what's going on here?
1 Answer
That's actually pretty normal behavior for Windows. The OS is designed to use RAM for caching data to improve performance. If it isn't using RAM effectively, that can indicate a problem.

I didn't realize it could build up over time since I hadn't restarted Windows in a while. After a reboot, my RAM usage dropped to about 4GB.