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I'd like to upgrade from Windows 7 OEM Home to Windows 7 Ultimate using Windows Vista to Windows 7 Ultimate 64-bit upgrade disk.

Can this be done?

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If my answer fixes your issue, feel free to mark it as correct. If not, can you add a comment so we can improve? – Canadian Luke Aug 9 '12 at 1:36

Yes you can. There is no "Vista to Windows 7" only upgrade. It is simply a Windows 7 Upgrade disk

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I have done this and it works fine, just need valid product key. – jtreser Aug 4 '12 at 14:00

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