Forum Discussion
Smanthanp
Oct 29, 2024Copper Contributor
Where do I find Windows 10 Pro product key?
Hi community, I made a completely reinstall of Windows 10 Pro on his old PC. After installation, Windows 10 Pro asks to activate Windows 10 and there is a watermark appearing on the desktop all ...
Isaaccom
Oct 29, 2024Iron Contributor
Matopias Below is a simple method using a PowerShell script to decode the Windows 10 Pro product key.
Press Win + X and select Windows PowerShell (Admin) or Windows Terminal (Admin). Run the Following Command:
(Get-WmiObject -query 'select * from SoftwareLicensingService').OA3xOriginalProductKeyPress Enter. If a product key is available, it will be displayed in plain text. This is a free way to help you find Windows 10 product key via regedit.
LarryV
Nov 21, 2025Copper Contributor
This works! Now to see if the Win10 key will work on a clean install of Win11. I did not want to do the upgrade so installed a new drive and clean install of 11.