Windows 10 Activation Error 0x803F7001
The first thing you should do is run the Windows 10 Activation Troubleshooter. If it self-fixes, your Windows will get activated. If not, follow the steps below:
Is this the first time you installed Windows 10 on this computer?
If yes, then I am assuming that you have reached the activation section, and wondered why this error. Provide the 25-character Windows 10 product key, and activate. If you have never bought it. then, go to Microsoft Store and buy a license for Windows.
Your Windows computer came pre-installed?
Computer manufacturers who sell computers pre-installed with Windows 10 make sure the compy is already activated. However, if you have received this error on your newly purchased computer, then it’s because the key wasn’t configured properly. The best way out is to run the Activation Troubleshooter. If it doesn’t resolve the issue, contact your PC’s manufacturer.
Did you recently change the hardware? Did you use the key on a previously activated Windows?
In case you have recently changed any major hardware on your computer, then you will need to use the Activation Troubleshooter to resolve this. This works when you had a Microsoft account associated with the computer prior to changing hardware. If you had used the same key on a previous computer that you are not using anymore, then go to Settings > Update & Security > Activation and then selecting Change product key. Make sure that you are using the same Microsoft account you had on the earlier computer. On a rare occasion, it is possible that your computer’s hardware was changed to an extent that you will need a new digital license. Especially when you never had a Microsoft account associated with the computer.
Installed incorrect version of Windows 10?
It is possible that you may have reinstalled the incorrect version of Windows 10 on your computer. Make sure to check which version of Windows and the Key match. Let us know if any of these tips helped you resolve the Windows 10 Activation Error 0x803F7001.