You can change the picture that appears next to your user name or another user’s name in the login window on your Mac. You can choose a photo from your photo library, take a new photo using the camera on your Mac, choose a Memoji or emoji, use initials in a monogram, and more.
1. On your Mac, choose Apple menu in the top-left corner of the screen and select System Preferences.
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2. Then click Users & Groups.
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3. Click on the lock icon 🔒, located in the bottom-left corner of the window. Then Enter your Mac’s password in the pop-up window to allow you to make changes to your Mac.
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4. Select your account on the left side then click on the user picture on the right.
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5. Now, you have many options to change your account picture such as Memoji, Emoji, Monogram, Camera or Photos.
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You can take a picture using your Mac camera: Click Camera. Set up your shot, then click the Camera button. You can retake the photo as many times as you need to.
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You can select a photo from your Photos library: Click Photos. To see photos from a specific album, click the arrow next to Photos in the sidebar, click the album you want, then select a photo.
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