To sign into HBO Max on your smart TV, follow these steps for seamless access to your favorite shows and movies. Firstly, ensure your smart TV is connected to the internet. Then, locate the HBO Max app on your TV's app store or channel lineup. Select the app and choose the option to sign in. Enter your HBO Max credentials, including your username and password. If you're prompted for a code, visit hbomax.com/tvsignin on your computer or mobile device, enter the code displayed on your TV screen, and follow the on-screen instructions. Once done, you're all set to enjoy HBO Max on your smart TV.