By Kingpin007, December 12, 2013 1:41:46 AM See all their Tutorials To find out how much RAM your computer is using right-click on the taskbar and open up task manager . Now after This open click on performance and click on Memory. This should show you how much RAM your system is using. Thats it!! Reply to Kingpin007 Can't find your answer ? Ask ! Publish Related resources : ForumHow to find out what mixing ram size my computer can take ForumHow much RAM does your computer use? ForumSolvedHow much RAM are you using at this moment? ForumI need to find out how much SATA slots are inside my PC (NOT MOTHERBOARD) how do i find this out? ForumSolvedNot sure how much wattage my computer is actually using.