Unable to Activate Windows Error code: 0x803FA067

Question

Edition Windows 10 Pro

Version 22H2

Installed on ‎05/‎11/‎2023

OS build 19045.3570

Experience Windows Feature Experience Pack 1000.19052.1000.0

Hi,

I am having difficulty activating Windows on my new PC.

I recently completely rebuilt my PC, but before I did, I created a bootable USB on a genuine copy of Windows 10, which was itself upgraded from a genuine copy of Windows 7 (I still have the original box and product key).

As far as I recall, I only used my Windows 7 key once, when installing it - and never needed to reinstall or use the key again once I upgraded to 10.

The upgrade to 10 was the free one that Microsoft offered some years ago.

Out of interest, after I created my bootable USB I was curious to find if the activation key in the system (via command prompt / registry location) was the same (they were not), regardless, I copied both down, expecting to need them.

Now I have my new build PC up and running I am seeing that I am unable to activate my copy of Windows. Neither my original Windows 7 key nor the key found on my Windows 10 install work.

Any help or advice really appreciated. Thanks.

Answer 1

Hi Jeff,

My name is Igor, it's a pleasure for me to help others and I'll do all my best to help you.

I'm very sorry for the bad news but recently Microsoft blocked Windows 10/11 activation with Windows 7/8 product keys.

Answer 2

Hi Igor,

Thanks for your reply - that's really a shame, it looks like I was late only by about a month.

Best Regards.