In case the machine has failed to reinstall Windows but when the setup is completed, it will see the "Windows is not activated" line translated as "Windows is not activated" even though the machine is built-in Windows license . Don't worry, DienmayXANH will help you get back the license key and reactivate Windows quickly by following the tips.

Step 1: Download the Show Key Plus app at the link .

Then launch we will get the following result:

Instructions on how to retrieve the Key and reactivate the copyrighted Windows

Product name: The version of the operating system you are using.

Product ID: The operating system ID.

Installed Key: Software installation key.

OEM Key: This is the most important part, it is the license key in the machine, it is also noted that this Key does not apply copyright activation on other machines.

OEM Edition: The original operating system when you buy the device.

Step 2: Activate Windows.

Go to the Start menu and select "Settings".

Instructions on how to retrieve the Key and reactivate the copyrighted Windows

Select "Update & security".

Instructions on how to retrieve the Key and reactivate the copyrighted Windows

Select "Active Windows" and click "Enter key".

Instructions on how to retrieve the Key and reactivate the copyrighted Windows

Then enter the Key OEM on the Show Key Plus software.

Instructions on how to retrieve the Key and reactivate the copyrighted Windows

This message appears that you have finished activating Windows.

Instructions on how to retrieve the Key and reactivate the copyrighted Windows

So after this tutorial, you can get the key and reactivate the copyrighted Windows, so you can succeed.

Any comments or suggestions please leave a comment below for BLUE MACHINE to support you best!