I'm trying to upgrade an OEM version of Windows 7 Professional x64. The key has expired (apparently someone else used it), so we were forced to buy a new full retail edition of Windows 7 Ultimate x64.
I try to do an inplace upgrade, but Windows says I need to use Windows Anytime Upgrade.
So, I've tried this, but I get the following error:
The upgrade key you entered is for an edition of Windows that does not work with Windows Anytime Upgrade.
I'm confused! How do I upgrade to Ultimate if not from a full retail copy of Windows 7 Ultimate??