Apple iPhone 4 support.

To download an app:

1. On the homescreen, tap App Store





2. To browse for an app, tap Categories





3. Tap on the app you want to download. If you've chosen an app that you need to pay for, tap the Price. If you've chosen a free app, tap Free and then Install



 

 



4. You'll be asked to sign in using your Apple ID. Enter your email address and password, tap OK

Once you've signed in, the app will start to download automatically and a progress bar will show you how far it's got.