How to fix my windows activation key and Error 0x803fa067

Ibrahim Hafizh 20 Reputation points
2025-01-30T01:00:00.9866667+00:00

I recently got an update for windows the night before, when I decided to check in the morning, my Windows activation wasn't working and it said, "You don't have a valid digital license or product key." After I checked my backup key and changed it and it still not working

Windows
Windows
A family of Microsoft operating systems that run across personal computers, tablets, laptops, phones, internet of things devices, self-contained mixed reality headsets, large collaboration screens, and other devices.
5,807 questions
0 comments No comments
{count} votes

Accepted answer
  1. S.Sengupta 22,181 Reputation points MVP
    2025-01-30T01:09:49.4433333+00:00

    Open Settings > Update & Security > Activation > Click "Troubleshoot"

    Open Command Prompt as administrator and copy-paste the following command followed by hitting the Enter key:

    slmgr /ato

    [If any recent hardware changes done to your system, then it can affect Windows Activation]

    1 person found this answer helpful.

0 additional answers

Sort by: Most helpful

Your answer

Answers can be marked as Accepted Answers by the question author, which helps users to know the answer solved the author's problem.