iCloud: Set up iCloud on your devices
You may have set up iCloud on your iOS device or Mac when you first used it. To make sure it’s set up correctly, or to set up your iCloud account on another iOS device, computer, or Apple TV, go to the set up iCloud website listed below.
Set up iCloud on your iOS devices and computers
Go to the set up iCloud website.
You can turn iCloud features on or off after setting up iCloud.
After you set up your devices, iCloud begins to push information to each device. You can also now sign in to iCloud.com and start using the iCloud web apps.
For help using any of the iCloud web apps, click a help topic on the left.
For more information about other iCloud features, see More resources.