Hi there! My Dell optiplex 780 DT shipped with windows 7 pro x86 installation and disc, it's activated and everything. now i wanna clean install win7 sp1 ultimate x64 or x86 (i downloaded the MSDN editions) -what can i do to keep my activation status! -can i copy & transfer my certificate or OEM folder (dell cert, oobe, and slp scripts) from my original disc and include them in the win7sp1 disc? any help would be very appreciated!!!