>A Global Device ID (GDID) is a permanent, unique digital fingerprint that Microsoft automatically assigns to your computer when you install Windows or sign into a Microsoft account.
Note the "or"
I own a Windows 10 machine which has never signed into a Microsoft account. It still has a GDID in the registry.
Note the "or"
I own a Windows 10 machine which has never signed into a Microsoft account. It still has a GDID in the registry.