venki

Hi, I need help reg windows 7 basic os !! unforchunately my c: drive where the os lives is formatted !! (sony laptop) i dont have the back up and rescue disc and also windows 7 os !! now i need to install the windows 7 os !! i do have the original serial key (back of laptop) so my doubt is if i download windows 7 basic from internet and enter the key from back will it accept !! (synchoronize) or is there any other option please do suggest me !! cheers