1. Click on the startup page, select the version of the Minecraft game you want to connect online, and start the game.

2. Click [Single Player Game] to enter the game.

3. After entering the game interface, click the [Open to LAN] option.

4. Then click [Create a LAN World].

5. After the creation is successful, you will receive a series of numbers on the message page in the lower left corner. This is the PCL2 initiator port number.

Create an online room:

1. Open the PCL2 launcher, click on the online channel at the top, and then click [Create Room] on the right.

2. A prompt pop-up window will appear. Click [Continue] directly after browsing.

3. Fill in the port number to create an online room.

4. Set a room name at will.

5. Click "Copy Connection Code" on the left to send it to a friend.

Friends join the room:

1. Open the PCL2 launcher, click on the online channel at the top, and then click [Establish Connection] on the left.

2. Copy and paste the received connection code and click OK.

3. You can see in the lower left corner that the connection has been successful.

4. The connected room will be displayed in the room list on the right, click to enter the room.

5. A pop-up window will display a server address, click [Copy Address].

6. Select [Multiplayer Game] (the game version of both parties must be the same).

7. Click [Direct Connection].

8. Enter the server address and click [Join Server].