On your phone or computer, go to hbomax.com/tvsignin. You should see an Enter Code page where you can enter the 6-character code from your TV.Open the Google Home app on your phone or tablet. Tap the device that you want to cast to. Tap Cast my screen > Cast screen. Once your screen appears on your TV, open HBO Max and start streaming.Users can access HBO Max across a range of supported devices, including Android phones and tablets, Android TV including Sony Android TVs (2016 models and later), Apple devices Chromecast and Chromecast built-in devices, computers.