Steps to back up your Apple TV:
- Go to the Home screen to access the settings.
- Go to Accounts and select it.
- Now you must choose between iTunes and the App Store.
- Select the Add new Apple ID option from the menu.
- Select Enter New when the prompt appears.
- Fill in the additional Apple ID Sign In information.
- Select 'Continue' from the drop-down menu.
- Enter the secondary Apple ID's password.
- At the bottom, press the Sign In button.
