Setup iCloud backup on iOS 7

1. Click on the "Settings" icon and it will bring you to this menu:

2. Click on "iCloud".

           




















3. Click on "Storage & Backup".






















4. It will then ask you for you Apple ID (the e-mail address you used to setup your phone.) After you typed the username and password, iCloud backup will be enabled. It will backup automatically every night when plugged into power and connected to WIFI. You can also do a manual backup by selecting "Back Up Now".