Intelivideo offers an app for Apple TV where you can watch your instant access purchases. The app is called Intelivideo. Your login credentials is the email address associated with your instant access account and your PIN or password (whichever one you prefer to use).
- From the Home screen, choose Settings > Accounts > iTunes and App Store.
- Select Sign In, then sign in with your Apple ID and password.
- Search for the Intelivideo app in the App Store and download
- Locate the Intelivideo app from your Apple TV homescreen, select to launch, and login using your PIN or password