Can you share the activation error message/code you received, we can help.
i cant activate windows
i downloaded something that installed something and made me restart my computer. When it restarted, my windows was not activated and i cannot activate it again even though i have the key and i typed it in correctly.
Windows for home | Windows 11 | Licensing and activation
2 answers
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Kapil Arya 38,216 Reputation points Volunteer Moderator2026-07-29T12:02:28.3166667+00:00 -
DaveM121 916.6K Reputation points Independent Advisor2026-07-28T12:35:14.99+00:00 1
Please provide full details on what you downloaded that may have caused the activation error.
2
Where did you get your Windows licence was that pre-installed on the PC or did you purchase a full retail Windows licence from Microsoft or from a 3rd party retailer?
Or is your Windows licence based on a previous Windows 7 or 8 licence?
2
Click your Start Button, type cmd then right click Command Prompt and choose 'Run as Administrator'
Run or paste this command and hit Enter:
slmgr.vbs /dlvPlease post a screenshot of the resulting dialog