Open Yuzu
Launch the game that uses Miis
When prompted to create or select a Mii, open the Mii Creator
Use the controller or keyboard to move through the Mii options
Choose the Mii type or gender
Edit the face, hair, eyebrows, eyes, nose, mouth, and other features
Adjust color, size, and position settings as needed
Save the Mii
Confirm the Mii is selected in the game
If Mii Creator does not appear, update Yuzu and the game
If needed, add the correct Mii data files to Yuzu’s user folder
Restart Yuzu after making changes