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Create your Memoji in Messages on Mac
With macOS Big Sur, create a personalized Memoji that matches your personality. Then, send Memoji stickers to express your every mood in your messages.
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In the Messages app
on your Mac, select any conversation.
To the left of the field at the bottom of the window, click the Apps button
, then select the Memoji Stickers button
.
Click the Add button
, the follow the onscreen instructions to customize your Memoji, starting with skin tone all the way through headwear.
Click Done.