Does anyone know if it's possible to do a clean install of Windows 7 using an upgrade version, without having the Vista media? (Basically, can I just enter the Vista key instead of inserting ...

Performing a fresh or “clean” installation of Windows can improve responsiveness and performance on your PC if you have been using it for an extended period. The OS starts to lag after prolonged use.

So Google continues to just give me results pertaining to doing a clean install with an upgrade disk. I don't want to registry hack version, considered I have done everything legit so far. Here's the ...