If the installed RAM is not showing up in Windows 11/10, make sure that the RAM is compatible with your motherboard. These fixes will help you.

Windows 11/10 reports how much physical memory is currently installed on your computer along with how much memory is available to the operating system and the hardware reserved memory.

I run Windows 7 Ultimate under VMWare Fusion 4.1.3 on my 15" MBP (I7-2635QM) and also by dual booting. I just installed 16 GB of RAM and set the VM for 4 GB in Fusion. When I boot Win7 it reports ...

How to check your total memory capacity If you only want to know how much RAM your PC has, the easiest way to find out is through the Windows 11 Settings app.

The latest experiment of this kind showed that you can theoretically run Windows 10 on a system well below its minimum RAM requirements.

Windows 10 will run on a vanishingly small amount of system RAM, if you engage in some trickery, and don’t mind that the operating system isn’t actually usable running in this state.