It is no longer relevant. The new mechanism allows reinstalling the system without entering the key even after completely removing data from the hard drive (e.g., formatting it). It can be helpful when the user has lost the activation key. Moreover, the key will not be needed even if the user replaces the hard drive, increases the RAM, or replaces the video card. I bought Windows 10 license activation key https://mysoftwarekeys.com/product/windows-10-pro-mak-500-pc-activations-license-key even when I changed the motherboard. But the existing copy of Windows cannot be activated after replacing the motherboard when reinstalling.