If Windows was pre-installed (OEM), the key might be embedded in your motherboard's BIOS/UEFI. You can often extract it by running this command in an : wmic path softwarelicensingservice get OA3xOriginalProductKey . How to Find Your Product Key on Windows 10 and Earlier
Microsoft uses two primary methods to ensure your operating system is licensed correctly. Knowing which one you have determines how you'll handle re-installations or hardware changes. windows 10 activation code
This is a 25-digit code formatted as: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX . You typically receive this if you bought a physical copy of Windows from a retailer or a digital copy from an authorized seller like Amazon. How to Find Your Windows 10 Activation Code If Windows was pre-installed (OEM), the key might