2 factor authentication

See also the article linked below. 2FA is not available everywhere and requires that you filled in a trusted phone number to receive the 2FA code. This number is usually added when you set up your Apple ID.

Availability of two-factor authentication for Apple ID:

https://support.apple.com/en-us/HT205075

BTW, you should never post screenshots with your private info. This forum is open to everyone.

Read here Two-factor authentication for Apple ID - Apple Support

Are you looking for it in your Apple ID account section of Settings app?

Settings  > [your name] > Password & Security.