Guest webnpo Posted February 21, 2012 Share Posted February 21, 2012 I have Dell desktop. Originally shipped with Win Vista Home. Dell sent me an upgrade disk which only works on the Dell, and I upgraded to Win 7 Home Premium. Since then, I purchased a full retail Win 7 Pro which I have not yet used on any computer. My question is this: can I put the Win 7 Pro disk in the Dell and upgrade to Pro, but use the key that Dell provided for the Win 7 Home Premium? If so, I would not forfeit the OEM key and can still use the Win 7 Pro (unused disk) on my laptop. Otherwise, I would use up the new key just to upgrade from Home Vista to Pro and then have to purchase a new OS for the laptop. Continue reading... Quote Link to comment Share on other sites More sharing options...
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