To set up biometric authentication, first configure Face ID or Fingerprint on your device using the provided Apple support links. After setup, enable biometrics on the site by selecting "Enable Face ID" on the login screen, allowing you to use biometrics for authentication.
First you will need to set up either Face ID or a Fingerprint through your device. Use the links below if you need assistance in getting this set up.
Face ID: https://support.apple.com/en-us/HT208109
Now you just need to enable biometrics on the site. You can do so by clicking on the box next to "Enable Face ID" on the log in screen. You will now be able to use biometrics.