Posted April 22, 201410 yr Hi, I just bought genuine windows and the product key they gave me doesn't work when I try to update my old one (control panel > system > change product key). I know it's a genuine product key because it's the one they gave me on the reciept! However when I enter it, it says "validating; this may take a few minutes" and then it says "this copy of windows is not genuine." I am trying to use the online customer support but it just isn't working. Continue reading...
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