iCloud is a device that stores your music, photos, documents, and more and wirelessly pushes them to all your devices. Automatic, effortless, and seamless — it just works.All it takes is a few easy steps. Don't hesitate to download and install it for wirelessly transfer of your files to PC
1.Create an iCloud account or AppleID
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.)
Turn on iCloud.
When you turn on a new iOS device or after you’ve completed the update to iOS 5, follow the onscreen instructions to activate your device and set up iCloud.*
If you skipped the setup process or want to change your iCloud settings, tap the Settings icon on the Home screen and select iCloud.
Customize your settings.
Tap the Settings icon and select iCloud. Tap the On/Off switches to enable individual iCloud services, including Photo Stream, Documents, Find My iPhone, and more.
To enable Backup, tap Storage & Backup, then switch on iCloud Backup.
Enable automatic downloads.
To enable automatic downloads for your music, apps, and books, tap the Settings icon on the Home screen and select Store.