I have a desktop, Gigabyte 945GCM-S2L Mainboard, Intel C2D E4500 2.2GHz processor and 1Gb DDR2 RAM. Also has Asus GeForce 210 Graphics card with 1Gb RAM. My kid uses this for net browsing and mainly for playing games like GTA, NFS, Simpsons, Tmforever. My normal procedure is to install the games and then copy the folder to another location and uninstall. Then run from the copied location. Most games do work in this portable mode. Can and should I install Windows 8 on this desktop (I am bored of XP). I do have a spare hard disk to experiment but is it worth the effort. Will the games run? Or am I better off installing Windows 7 (I read that Win 8 consumes less resources). I also have old games like Aladdin, Prince of Persia which kids don't really play much but will these run on Win8? Which version of Win8 is suitable. Do I need to upgrade the RAM or can I first install and do that later?