Your Apple ID is the account you use to access Apple services like the App Store, Apple Music, iCloud, iMessage, FaceTime and more. It includes the email address and password you use to sign in as well as all the contact, payment, and security details you’ll use across Apple services.
Once you have your Mac and iPhone connected to iCloud, you can sync:
- Safari bookmarks
If you are not sure you have an Apple ID, you can go to https://appleid.apple.com/ to attempt to log in or create a new Apple ID.
Once you have an Apple ID, here is what you need to do to connect your Mac and iPhone to your account so you can sync data across devices.