1. Start the My World game client and enter the main interface of the game.

2. Click the "Multiplayer Game" button and click the "Add Server" button.

3. Enter the address and port number of the server in the pop-up interface, for example, mc.mimiserver.com: 25565.

4. Click Finish to save the server address information.

5. Select the saved server address, click the "Join Server" button, and wait for the game client to connect to the server.

6. After the connection is successful, you can enter the MC Mimi server to start the game.