I have only win7 64 bit, same comuter that use to run fh2 since 2.0 and .7, infact it is the same installer i used. bf2 installed flawlessly (never played vanilla) , bf pirates 2 .exe installed flawlessly aswell, it is only fh2 2.2 i am donwloading again to see if my old one got corrupted while transfer from vista(32) to usb to win 7(64).