Anyway I can say only That : I install windows 8.1 on a lower platform( in my opinion) Cpu amd Athlon x64 (1,8ghz) Mb Asus not dual channel only 3 slot memory 2gb ,the rest is the same on the rig above, psu,hdd,optical unit,ram,graphic card all the same !and it starts and run win 8.1 x 86 (32bit)