2. Click on your account name in the upper-right corner of the screen.
3. Select "Redeem" from the drop-down menu.
4. Enter the code from the back of your iTunes card into the "Redeem Code" field.
5. Click "Redeem."
*Your iTunes card balance will be added to your account, and you can use it to purchase music, movies, apps, and other content from the iTunes Store.*