To pair the Watch to your new iPhone, follow these steps: Erase your Apple Watch. On the Watch, go to Settings > General > ...

Here are iCloud features you need to start using. It seems like you need to provide an email address to access everything now ...

Cloud Private Relay lets you protect your data when browsing the web in Safari. Here’s how it works, and whether you should ...

The Passwords app uses iCloud Keychain to sync your saved credentials across your Apple devices. If you use multiple devices like an iPhone, iPad and Mac, enabling Keychain ensures your logins ...

How to transfer iPhone photos and videos using iCloud iPhone users can also use Apple's cloud storage service, iCloud, to automatically sync and back up their photos and videos to the cloud.

Also with Messages, if you enable Messages in iCloud, all messages across all the devices with that switch turned on will sync—including across phones. Consider if that’s something you want.