Use the iTunes Store app to add music, movies, and TV shows to iPad.
Note: You need an internet connection to use the iTunes Store. The availability of the iTunes Store and its features varies by country or region. See the Apple Support article , then tap Wish List. If you don’t see buy, rent, or pre-order items.
Go to Your Purchases: Watch something from your Apple TV library. See Apple Account with Face ID, Touch ID, or your passcode to complete the purchase.
To see the progress of a download, tap Downloads.
Go to the iTunes Store app on your iPad.
Tap Music in the tab bar at the top, then scroll to the bottom.
Tap Redeem or Send Gift.