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.
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.