so i recently just reformted my pc and i got windows 7 64 bit before i had 32 bit and i am having a problem which is really bugging me which is my pc will freeze for few secs while playing games than recover after a while and this issue just get worse and games just crashes its really frustarting cause this game ran super smooth and super fine for me before i asked the person or the shop who reformated my pc if it was cause of 64 bit and he said that shoudnt be the problem ofc he had no fix what should i do pls help?