To watch Disney+ on Apple TV, first download the Disney+ app from the App Store. Open the app and select “Log In.” You’ll see an activation code—go to disneyplus.com login/begin on a browser and enter the code. After successful activation, you can access your favorite Disney, Marvel, Pixar, Star Wars, and National Geographic content directly on your Apple TV. Ensure your device is connected to the internet and compatible with the latest Disney+ app version.