Send Messages
Select the Messages app. You may have to login with your Apple IDHit the Compose Message icon in the Message column for a new message.Enter the contact(s) for the message in the To: field.Enter text in the blank field above the keyboard. Click the Photo icon and choose from an existing photo or take a new one. The app button allows for GIFs and other apps.
Receive Messages Messages will send textx to the Apple ID you specify, but you can add additional e-mail accounts in the Settings menu.
Go to Settings and select Messages. Send and Receive should be automatically filled with your Apple ID. If it’s not up date it there.