Security Optimizer 2 factor authentication setup

Have installed and toggled on the 2 factor authentication but when sign in to my /wp-admin page, don’t see the image and prompts as per the instructions below the 3rd 2 Factor Authentication title in this link

https://www.siteground.com/tutorials/wordpress/security-optimizer/login-security/

The page I need help with: [log in to see the link]