Can I use Windows 7 Home Premium key for ultimate?

No, you cannot use a Windows 7 Home Premium product key to activate Windows 7 Ultimate, in fact, if you want to use Windows 7 Home Premium, you will have to do a clean install or purchase a product key for Windows 7 Ultimate.

Can you install Windows 7 Ultimate over Windows 7 Home Premium?

Just use the product key and do an Anytime upgrade. If the license for Windows 7 Ultimate you have access to is either a retail upgrade or full version, you can use the product key and Anytime Upgrade to move from Windows 7 Home Premium to Windows 7 Ultimate.

Can I upgrade Windows 7 Home Premium to Ultimate or Professional for free?

Type Anytime Upgrade in the Search programs and files box in the Start menu and click on the Windows Anytime Upgrade icon. From there, you can buy an Anytime Upgrade to Windows 7 Professional/Ultimate. Then you can enter your Anytime Upgrade product key and perform a simple upgrade to Windows 7 Professional/Ultimate.

How do I downgrade from Windows 7 Home Premium to Ultimate?

Please note that one cannot perform a “downgrade” from Windows 7 Ultimate to Windows 7 Home Premium. You would have to perform a “clean install” of Windows 7 Home Premium using your original Windows 7 Home Premium DVD or your computer manufacturer’s recommended Windows 7 Home Premium recovery/reinstallation method.

Can I use Windows 7 home premium key for professional?

cereberus said: It must be an old DVD if just Pro. You cannot activate Pro with a home key.

How can I change Windows 7 without reinstalling?

Unfortunately, your only option right now would be to purchase a retail upgrade or full version license for Windows 7 Professional and use the product key with the Anytime Upgrade wizard in Windows 7 Home Premium.

Can I upgrade Windows Home Premium?

When you upgrade, you’ll stay on like-to-like editions of Windows. For example, Windows 7 Home Premium will upgrade to Windows 10 Home. *Must be running the latest version of Windows 7 (Service Pack 1) to receive the free upgrade to Windows 10 via Windows Update.