Apple TV is an all-in-one online streaming application with content from Netflix, Hotstar, Hulu, Amazon Prime Video, etc. To download an app on Apple TV, go to the App Store. In the App Store, featured apps and other categories will appear in the menu on the top. Click on the app you wish to download and then click on Get option if the app is for free. For paid apps, click on the Buy option. Enter your Apple ID password in the space provided. After downloading, the app will appear on the bottom of the home screen.