If you see “No iTunes Store account” on your Apple TV or are unable to complete accepting the terms and conditions, follow the steps below. Then you can download apps, subscribe to streaming services and make purchases with your Apple Account.
Go to tv.apple.com/gb or music.apple.com/gb.
Choose Sign In, then sign in to your Apple Account.
Follow the prompts to complete the setup process.
If you’re using the Apple TV app on a non-Apple device, you can also sign in on the web to set up your Apple Account.
Try the steps again, then return to your Apple TV and sign in to your Apple Account. Accept the terms and conditions to complete the setup process.