Before you start: If you haven’t done so already, you should link your windows 10 product key with your Microsoft account. If you don’t do this, you might not be able to re-activate Windows 10 after reinstalling it.
You can follow these steps for Reinstall Windows 10:
Go to settings > update & security> Activation. If the status says “Windows is activated with a digital license” but says no more, then it isn’t linked to your Microsoft account.
To fix that, go to settings > Accounts > your information. Click “sign in with a Microsoft account” and follow the instructions. Once complete, you can check under activation and you should now see that the notification reads.
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