Sign in with your Apple ID - Apple Support
https://support.apple.com/en-us/HT20405304.01.2022 · Sign in on your Mac Choose Apple menu > System Preferences. Click Sign In. Enter your Apple ID and password. If prompted, enter the six-digit verification code sent to your trusted device or phone number and complete sign in. Sign in on Apple TV From the Home screen, choose Settings. Then choose Users and Accounts and select Add New User…