Activating YouTube TV on your Vizio Smart TV is quick and easy. Start by ensuring your TV is connected to the internet. Open the YouTube TV app on your Vizio Smart TV, then sign in using your Google account. A code will appear on your screen. On a separate device, go to tv.youtube.com/start and log in with the same account. Enter the code displayed on your TV to link your account. https://tvyoutubecomstart.com/