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Retrieve Windows 10 or 11 Product Key Using PowerShell

Open a Windows PowerShell (aka Terminal) with Administrative Privileges, and type or paste (right click) the following command next to your UserName> prompt, including the parenthesis () as part of the command:

PS C:\Users\UserName> (Get-WmiObject -query ‘select * from SoftwareLicensingService’).OA3xOriginalProductKey

XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

PS C:\Users\UserName>