Windows Activation Error 0x803F7001
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- Press Windows key + X
- Click "Command Prompt (admin)"
- Enter the following commands:
slmgr /upk
[1]
- This will unload your previous product key
slmgr -ipk your-product-key-goes-here
[2]
- This will force load your product key. It is wise to restart at this point.
References
- ↑ EdiDako, Microsoft Communities Forum, October 21, 2017
- ↑ EdiDako, Microsoft Communities Forum, October 21, 2017