Question PC Has 16GB RAM but 700MB is 20%?

[Respects]

Hello,

So I Have 16GB Usable Memory in my PC, as is clear from these two screenshots (idk why one says 20GB w/ VM)

https://prnt.sc/pauivb

https://prnt.sc/pauirt

https://prnt.sc/pauixv

These Screenshots are all from the same PC, and i dont understand,

Please help!

 

[rgd1101]

task manger don't show all memory use.