Windows Hello isn't just about facial recognition, there's also a fingerprint aspect to it, too. Laptops like the Lenovo Thinkpad X1 Carbon have a built in scanner to use with the feature but for the rest of us, an external, third-party option is the way to go.
But treat this as a PSA of sorts. Watch out for the cheap, no-name fingerprint scanners you can find online. Because you might not get the experience you're looking for.
Full story from the WindowsCentral blog...