Now enter your Windows 10 Pro OEM key and click Next to activate.Click Update & Security and then select the Activation tab on the left.Click on the Start button in the bottom left of your screen and select Settings again (you can also press WINDOWS+I to open the Settings window).
A 25 character key will be displayed if it is available. Open a PowerShell (Admin) and enter wmic path SoftwareLicensingService get OA3xOriginalProductKey press return. How do I get my Windows 7 OEM product key from BIOS? The initial authentication process matches the copy of the Microsoft software with the “code” for your PC - specifically, the motherboard you can remove, upgrade or replace all other components at will. Microsoft has only one “official” restriction for OEM users: the software can only be installed on one machine.