Why don't I have Web Sign-in option under Fingerprint Verification in Settings?

[AC Question]

I've been watching YouTube videos on using the fingerprint verification on websites. My settings don't have the Web Sign-in option. I have an S7 Edge. I need to turn it on to use an app I have.

 

[nadeem stubbs]

Do it via Google and not through any other ...Donor use chrome or opera ...Use GOOGLE and access YouTube from the net,sign in and remb your sign in by clicking the box below your sign in