Install apps from App Store
You can add new functions to your mobile phone by installing apps from App Store. Before you can install apps, you need to set up your mobile phone for internet and activate your Apple ID on your mobile phone.
Find "App Store"
Tap App Store.
Tap the search field and key in the name or subject of the required app.
Tap the required app.
Tap GET and follow the instructions on the screen to install the app.
If you've selected a paid app, tap the price to install the app.
Return to the home screen
Tap the Home key to return to the home screen.