windows 64bit

I recently downloaded rocket league from epic games but like every other game it was not working but to double check it i downloaded it again from torrent and it worked fine but with win 32 folder And when I checked the epic games rocket league folder it didn't include win 32 folder. Now the...

so i bought two 2gb stick of 800mhz ram for my computer but every time i try to boot into windows 10 or 7 64bit the cpu stays at 100% usage making it unusable,but when i boot into windows 32bit it works normally but only usase 3.5gb of ram and when i boot into windows 64bit with only 3gb of ram...