Re-install windows 7 over windows 7?

3 replies
Found 4th Nov 2010
Is it possible to use an upgrade version of windows 7 to install over windows 7?

I only ask as i'm currently running a dodgy copy of windows 7


Original Poster


Yes it is, bit messy though, better to do a clean install.

so i could use that disc on this system and just select custom install?

Its doubtful the an official upgrade disc will work on a 'dodgy' install. I though that the upgrade programme checked if the install was valid or not ?

Original Poster

sorted, installed an ol copy of xp on my pc then used the upgrade disc to put windows 7 on it
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