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Will a Windows Anytime Upgrade to Ultimate work on a non-activated copy of Windows 7 Home Premium?
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Will a Windows Anytime Upgrade to Ultimate work on a non-activated copy of Windows 7 Home Premium?
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Microsoft says no. You must buy a license for Windows 7 Home Premium, (probably at reduced prices), then upgrade to Ultimate, which is not very surprising. Let me repeat that: Attempting to 'upgrade' from an unactivated copy is not possible. This is because you cannot UPGRADE from something FAKE.
This answer is wrong. The upgrade works even when the original system is unactivated, I just tested it (on a Windows 7 Service Pack 1 VM without any updates). (Not sure though if the upgrade key will actually activate the upgraded OS.) – pcworld – 2016-12-18T23:39:28.023