Forum Discussion
Xaromir
Feb 12, 2026Copper Contributor
W11 Pro OEM not activating - also no key in the envelope
I've bought a Windows 11 Professional OEM. For reasons unknown to myself I could not start the installation from the DVD, meaning it didn't boot from the DVD. So I re-inserted my HDD with Windows 10 ...
Paulload
Feb 14, 2026Iron Contributor
Booting from DVD or USB isn't always straightforward—if the installer didn't boot properly, the installation might have been a downgrade or used a different method that didn't trigger OEM activation.