|31 Oct 2012||#2|
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According to Post # 5 by gregrocker in a previous Forum thread, you cannot upgrade from a 32-bit OS to a 64-bit OS. It must be a clean install. However, the same Product Key can be used for either the 32-bit OS or the 64-bit OS if they are the same version (Pro to Pro, Ultimate to Ultimate, but not Pro to Ultimate.)
Use 32-bit product key for 64-bit Windows 7?
|My System Specs|
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