Ok, this seems to be the most knowledgeable forum out there, most places I have tried people don't even know what I'm talking bout.
So first, there is a thing call in-place upgrade, I believe it started in XP. This is where you install over the existing OS with the original CD. It replaces files but keeps your data. Windows 7 claims it dint have it but that's not true.
Here is how to do...
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