* Launch YouTube TV first on your Android TV.* Then choose "Settings" from the main menu.* Choose "System" from the "Settings" menu.* Select "Activate YouTube TV" under "System".* You'll be prompted to visit youtube.com/activate shortly.* Enter the activation code for YouTube.* You can access YouTube TV on your Android TV once you've entered your login information.Check Also: How to access Showtimeanytime on your Android TV