I've had this problem for years and through 2 PC builds.
My last computer had 4GB of RAM, and it would start to show signs of running out of RAM long before the physical memory was fully utilized. Applications would crash, I'd get graphical glitches etc.
So in my new system built this year, I put in 32GB, I use a lot of browsers with a lot of tabs and I run some virtual machines, so I thought the extra memory would really fix everything but same issue.
When my physical memory gets to about 50% usage (Per task manager and process explorer) my computer starts acting like it is out of RAM. Browsers start to crash, graphical glitches in Windows, Netflix reports an Out Of Memory error.
I jus