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Old January 18, 2012, 12:31 PM
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enaberif enaberif is offline
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Originally Posted by Pedwar View Post
Hey, I've currently got a Windows 7 Premium OEM version on my HDD. I'm gonna have to format it soon to move it to a completely new PC which I've just finished building, and what I was wondering is, can I use a Windows 7 Professional Upgrade to install Windows on the HDD? I have the product key for the current OS, but can the upgrade version install the full copy of Windows? It says on this disc it requires a pre existing OS key, it doesn't say it requires a pre existing OS installed, any ideas?
Is there a reason you need Professional out of curiosity?
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