User can activate some of the well-known devices like Smart TV, Roku, Apple TV, Xbox, PlayStation and other streaming media players on their TV.Hbomax com tvsignin First, you need to visit the official HBO Max web portal and enter the 8-digit verification code during the activation process. This is because when you log into the HBO Max app on a Smart TV or other device, your device displays an 8-digit code. hbomax.com/tvsignin