Go to www.itunes.com on your computer.
Find the download section on the website to download iTunes.
Download and install iTunes on your computer.

Start the program iTunes on your computer.

Connect the data cable to the phone socket and to your computer's USB port.

Choose one of the following options:
Transfer files from your computer to your mobile phone, go to 3a.
Transfer files from your mobile phone to your computer, go to 3b.

First, you need to add your files to the iTunes library.
Click File.

To add one file at a time:
Click Add File to Library....

Go to the required file in your computer's file system.

Click Open.

To select a folder:
Click Add Folder to Library....

Go to the required folder in your computer's file system.

Click Select Folder.
Depending on your settings in iTunes, the transfer may start automatically.

To start the transfer manually:
Click iPhone.

Click the required category at the top of the screen.
Follow the instructions on the screen to select the required settings.

Click Apply.

Click File.

Click Devices.

Click Transfer Purchases from ‹your mobile phone›.