Set up iCloud on all your devices
To set up iCloud on your devices, sign in to each of them with the same Apple ID and password. You can choose which apps store information in iCloud and which iCloud features you’re using separately on each device. Learn more about how each app or feature uses iCloud.
Note: When you turn off iCloud for an app or feature on a device, information stored in iCloud for that app or feature is no longer available on that device. However, it’s still available on other devices where iCloud is turned on for the app or feature. See How iCloud keeps information up to date across all your devices.
Set up iCloud on your iPhone, iPad, or iPod touch
On your iPhone, iPad, or iPod touch, go to Settings > [your name].
If you don’t see [your name], tap “Sign in to your [device],” then enter your Apple ID and password.
Tap iCloud, then turn apps and features on or off.
Set up iCloud on your Mac
On your Mac, choose Apple menu > System Preferences, then do one of the following:
macOS 10.15 or later: Click Apple ID, then click iCloud.
If you don’t see Apple ID, click Sign In, enter your Apple ID and password, then click iCloud.
macOS 10.14 or earlier: Click iCloud. If prompted, enter your Apple ID and password.
Select or deselect each app or feature.
Set up iCloud on your Apple Watch
For an Apple Watch you pair with your iPhone: If you turn on iCloud for an app or feature on your iPhone, you can see information from that app or feature on your Apple Watch (if available). You can choose what information appears on your Apple Watch by changing settings in the Apple Watch app on your iPhone. See The Apple Watch app in the Apple Watch User Guide.
For an Apple Watch set up by a family member: You can use the Settings app on the Apple Watch to turn iCloud on or off for an app or feature.
Set up iCloud on your Apple TV
On your Apple TV, open the Settings app.
Choose Users and Accounts, then select your account.
If you haven’t signed in with your Apple ID for iCloud, choose iCloud > Sign In, then enter your Apple ID and Password.
In the iCloud section, choose an app or feature, then turn it on or off.
Set up iCloud on your Windows computer
After you set up iCloud on your iPhone, iPad, iPod touch, or Mac, you can set it up on a Windows computer.
Get the iCloud for Windows app. See the Apple Support article Download iCloud for Windows.
Open the iCloud for Windows app. If you’re asked to sign in, enter the Apple ID and password you used to set up iCloud on your Apple device.
Select or deselect each app or feature, then click Apply.
For more information, see the iCloud for Windows User Guide.
If you have trouble setting up iCloud, see the Apple Support article If you can’t connect or sign in to iCloud.
Note: Some iCloud features have minimum system requirements. iCloud may not be available in all areas, and iCloud features may vary by area. See the Apple Support article System requirements for iCloud. For information about features, go to apple.com/icloud/.