Apple ID Overview
An Apple ID is a unique account that allows you to access various Apple services, including the App Store, iCloud, and iTunes. To create an Apple ID, you can go to the Apple ID website (appleid.apple.com) and follow the sign-up process.
Two-Factor Authentication
Two-factor authentication (2FA) is an additional layer of security for your Apple ID. It requires both your password and a six-digit verification code sent to your trusted devices to sign in. To turn on 2FA, go to Settings > your name > Sign-In & Security on your iPhone or iPad, or choose Apple menu > System Settings > your name > Sign-In & Security on your Mac.
Sign in with Apple
Sign in with Apple is a feature that allows you to sign in to third-party apps and websites using your Apple ID. It provides a fast, easy, and private way to sign in, and it's built from the ground up to respect your privacy and keep you in control of your personal information. To use Sign in with Apple, you need to be signed in with your Apple ID and have two-factor authentication turned on.
Supported Devices
Apple ID and 2FA are supported on various Apple devices, including iPhone, iPad, iPod touch, and Mac. You can check the supported devices on the Apple Support website (support.apple.com).
