Firmware-embedded activation key
To determine if the computer has a firmware-embedded activation key, type the following command at an elevated Windows PowerShell promptCopy
(Get-WmiObject -query ‘select * from SoftwareLicensingService’).OA3xOriginalProductKey
If the device has a firmware-embedded activation key, it will be displayed in the output. If the output is blank, the device does not have a firmware embedded activation key. Most OEM-provided devices designed to run Windows 8 or later will have a firmware-embedded key.