To activate YouTube on your Android TV, start by opening the YouTube app. You’ll see a prompt to sign in. Navigate to yt.be/activate on your smartphone or computer. Enter the activation code displayed on your TV screen. After entering the code, sign in with your Google account. Once signed in, your TV will automatically refresh, and you’ll have full access to YouTube’s features and content. Enjoy your favorite videos, playlists, and channels right from your Android TV. For any issues, ensure your TV and device are connected to the internet and logged into the same account.