To Hbo max tv sign on your TV, you will need to follow these steps: Open the HBO Max app on your TV or streaming device. Select "Sign In" from the menu. You will be presented with a code on your TV screen. On your computer or mobile device, go to the HBO Max sign-in page (https://www hbomax com/sign-in). Enter the code from your TV screen when prompted. Follow the on-screen instructions to sign in to your HBO Max account using your email address and password.