To make sure your reader is compatible with Windows 10, check its packaging or the manufacturer’s website. One or both will usually state that the reader is compatible with Microsoft Hello or Windows 10.
If the option is grayed-out, you’ll either need a new fingerprint reader, troubleshoot the one you have, or set up a different type of sign-in.
Make sure you tilt your finger to capture different angles of your fingerprint. When you’re done, you have the option to add more fingerprints. You should add a few more in case you forget which finger you used to originally set up the fingerprint or if one finger is having problems signing in. [1] X Research source
