Download iTunes Store purchases on PC
Note: Some items may not be available for automatic downloading in all countries or regions.
Turn on automatic downloads on an authorized computer
In the iTunes app on your PC, choose Edit > Preferences, then click Downloads.
Below Automatic Downloads, select the types of content (Music, Movies, and TV Shows) you want to download automatically.
If iTunes is open when you make a purchase on another computer or device, the purchased item is downloaded to your computer at the same time that it’s downloaded to the other device. If iTunes isn’t open at the time of purchase, the item is downloaded automatically the next time you open iTunes, or when you choose Account > Check for Available Downloads.
Turn on automatic downloads on your iPhone, iPad, or iPod touch
Important: Before turning on automatic downloads on an iPhone, iPad, or iPod touch, make sure you’ve signed in to the iTunes Store on the device using the same Apple ID that you used to sign in to iTunes on your PC.
On your device’s Home screen, tap Settings, then tap iTunes & App Stores.
Tap to turn on each type of content (Music, Apps, and Books & Audiobooks) you want to download automatically.