To watch Disney Plus on an Apple TV, start by ensuring your device is connected to the internet. Open the App Store on your Apple TV, search for the Disney Plus app, and download it. Launch the app and sign in with your Disney+ credentials. If prompted, visit disneyplus.com/begin on a web browser and enter the activation code displayed on your TV screen. Once verified, the app will refresh, granting you access to Disneys vast library of movies and shows. Enjoy streaming your favorite Disney content seamlessly on your Apple TV with a stable internet connection.