Get iCloud up and running on your iPhone, iPad, iPod touch, Mac or PC in just a few easy steps.
Make sure your device is running iOS 5.
To update to iOS 5, just connect your device to your Mac or PC and follow the onscreen instructions in iTunes. (Requires iTunes 10.5 or later.) Learn more about iOS 5
Turn on iCloud.
When you turn on a new iOS device or after you’ve completed the update to iOS 5, follow the instructions in the setup assistant to activate your device and set up iCloud.*
If you skipped the setup process, tap the Settings icon on the Home screen, select iCloud and then enter your Apple ID.
Want to use a different Apple ID for iTunes? Learn more
Customize your settings.
Tap the Settings icon and select iCloud. Tap the On/Off switches to enable individual iCloud services. To enable iCloud Backup, tap Storage & Backup and switch on iCloud Backup.
Enable Automatic Downloads in Store settings.
To enable automatic downloads for your music, apps and books, tap the Settings icon on the Home screen and select Store.