Setting Up Messages
1 When you first open Messages, you might need to sign in with your Apple ID. If you’re not asked to do so, you’re already signed in. Open Messages and select Preferences from the Messages menu in the top bar, or press cmd-comma on your keyboard. The Preferences window appears.
2 Click the iMessage tab and ensure the email address associated with your Apple ID is enabled. Set more than one email address and phone number, so messages sent to them appear on your Mac. Check the Enable Messages in the iCloud box, to sync Messages with your other Apple gear.
Once you’re signed in, click back to the General
