: You open an app on your HDTV or streaming media player.
Make sure you are using the correct activation URL for your specific app. For example, Hulu uses hulu.com/activate , not hulu.com/login or any other variation. Also, verify that your subscription is still active; if your free trial has ended or a payment failed, the activation will be blocked until the account is reactivated. hdtv app activation code link
This query is ambiguous because it could refer to a few different things regarding HDTV app activation : You open an app on your HDTV or streaming media player
Ensure both your TV and the device you are using for activation are connected to the same stable internet network. Firmware Updates: Hulu uses hulu.com/activate