Find Windows Product Key Using PowerShell

Windows Product key can be retrieved using PowerShell or CMD. To retrieve the product key using PowerShell, we need to query SoftwareLicesingService class and there is a property called OA3xOriginalProductKey which stores the product key.

Example

Get-WmiObject -query `select * from SoftwareLicensingService' | Select OA3xOriginalProductKey

Output

OA3xOriginalProductKey
----------------------
BBBBB-CSDSC-EESSR-KKIDS-AAAAA

We can also query this WMI class using cmd as shown below.

wmic path softwarelicensingservice get OA3xOriginalProductKey

Caution: It may or may not work for all the Windows OS. The above is tested in Windows 10.