iPhone, iPad, and iPod touch
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.)
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.
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.
With iCloud, you can get a me.com email account that’s ad-free, is up to date everywhere you check it, and includes webmail at icloud.com. Just turn on Mail in iCloud settings and follow the onscreen instructions.
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.
Mac
Make sure your Mac is running the latest version of OS X Lion.
If you don’t have Lion installed, you can purchase it from the Mac App Store.
If you already have Lion, click the Apple icon at the top left of your screen and choose Software Update to get the latest version (OS X Lion v10.7.2 or later).
Turn on iCloud.If you don’t have Lion installed, you can purchase it from the Mac App Store.
If you already have Lion, click the Apple icon at the top left of your screen and choose Software Update to get the latest version (OS X Lion v10.7.2 or later).
Choose System Preferences from the Apple menu on your Mac. Click iCloud, enter your Apple ID, and select the services you'd like to enable.
Free iCloud email account.
With iCloud, you can get a me.com email account that’s ad-free, is up to date everywhere you check it, and includes webmail at icloud.com. Just select Mail & Notes in iCloud preferences and follow the onscreen instructions.
Enable Photo Stream in iPhoto or Aperture.
Open iPhoto ’11 (version 9.2 or later) or Aperture (version 3.2 or later) and click the Photo Stream icon in the left column. Then click Turn On Photo Stream.
Enable Automatic Downloads in iTunes.
To enable automatic downloads for your music, apps, and books, open iTunes and choose Preferences. Then click Store and select Music, Apps, and Books. (Requires iTunes 10.5 or later.)
Windows PC
To enable iCloud on your Windows PC, install the iCloud Control Panel for Windows (Windows Vista with Service Pack 2 or Windows 7 required). Download now
Turn on iCloud.
From the Windows Start menu, choose Control Panel > Network and Internet > iCloud.
Enter the Apple ID you used to create your iCloud account and select the iCloud services you’d like to enable.
For mail, contacts, and calendars, you can use icloud.com or Outlook 2007 or later.
Enable Automatic Downloads.
To enable automatic downloads for your music, apps, and books, open iTunes > Edit > Preferences > Store and select Music, Apps, and Books. (Requires iTunes 10.5 or later.)
