To watch Disney+ on Apple TV, download the Disney+ app from the App Store. Once installed, open the app and sign in with your Disney+ account. An activation code will appear—visit disneyplus.com login/begin on a web browser, enter the code, and follow the prompts to activate. After successful activation, you can start streaming your favorite Disney, Marvel, Star Wars, and Pixar content directly on your Apple TV for an immersive entertainment experience.