Change Personal Information settings for your Apple ID on Mac
On your Mac, use Apple ID Personal Information settings to change the picture, name, and other information associated with your Apple ID.
To change these settings, choose Apple menu > System Settings, click [your name] at the top of the sidebar, then click Personal Information on the right.
If you don’t see your name, click “Sign in with your Apple ID,” enter your Apple ID (or a Reachable At email address or phone number that you added in Apple ID settings), then enter your password. If you don’t have an Apple ID, you can create one.
Memoji, photo, or monogram
Change the picture associated with the Apple ID account. See Select your Apple ID picture.
Change the name associated with the Apple ID account.
Specify the birthday associated with your account.
Receive emails and communications about Apple products, services, software, and media, and Apple News newsletters. Announcements and newsletters are sent to the email address or addresses associated with your Apple ID.