Before using the Biometric security keys for passwordless authentication, fingerprint is always required to be enrolled via USB interface.
For Windows 10 (from 19H1 version) users
The Windows system already have native application for fingerprint management. Go to the Settings => Sign-in options => Security Key. Users are able to manage fingerprint, PIN and reset the security key.
For other Windows users
For Mac users
For Linux users
Download BioPass FIDO2 Manager from FEITIAN.
After the tool is ready, follow the user interface about fingerprint registration and testing. The detailed instruction can be found at: