OEM computers now tend to ship with the Windows product key embedded in the BIOS. This key is, of course, specific to the edition of Windows that comes on the computer. That’s all well and good, until you try to do a clean installation of another edition of Windows on the computer.
Here’s my scenario:
- Purchased a laptop with Windows 8 Home on it
- Purchased upgrade to Windows 8 Professional and activated on the laptop
- Upgrade to Windows 10 in July 2015, which activated as Professional (as expected)