Turn Wi-Fi on
First of all you need to switch on your Wi-Fi. Find the ‘Settings’ folder in your iPhone and tap it. Once it is open, go to the Wi-Fi tab and turn it on. You need to swipe your finger to turn it on. Once it is on, it will search for any available Wi-Fi connections.
Note that the settings icon is silverfish grey in colour and a wheel in it.
Next you need to find your Wi-Fi connection and connect it. Tap on your Wi-Fi connection and then tap the join button. If your Wi-Fi is protected then a window will open which will ask you for a password. Type the password in the given box and then tap the connect button on the upper right side.
Tap App Store icon
After you have been connected to internet via Wi-Fi go back to the main screen of your iPhone by pressing the home button. Then find the App Store icon and tap it. This will connects you to the App Store.
The App Store icon is a blue colour icon which has an image of A surrounded by a circle.
Search your desired the apps
Search your desired applications after connecting to the App Store. Tap on the search button in it and write the name of the app you are looking forward to. You can also search applications through categories mentioned there including games, music, entertainment and event click the top apps tab.
Select and download your app
In the end select your desired app by tapping it. An information page will appear from where you can download it. You may have to pay for the app or even directly download it if it is free.