Pre-installed by manufacturers like Dell or HP. It is "injected" into the motherboard's BIOS and is generally non-transferable to a different device.
Used by organizations to activate multiple devices with one master key. windows activation key
Often granted through free upgrades (e.g., from Windows 10 to Windows 11). It is linked to your hardware and Microsoft account. How to Find Your Activation Key Pre-installed by manufacturers like Dell or HP
A (also known as a product key) is a unique 25-character code used to verify that your copy of Windows is genuine and hasn't been used on more devices than the Microsoft Software License Terms allow. It typically follows this format: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX . windows activation key