1、在XMODhub上安装此Mod
Install this Mod on XMODhub
2、双方必须互为steam好友：steam上面-好友-添加好友-复制你的好友代码或输入您朋友的号好友代码，添加成为steam好友.
Both parties must be Steam friends with each other:On Steam, go to “Friends” – “Add Friend” – Copy your friend code or enter your friend’s ID and friend code to add you as a Steam friend
3、双方进入游戏主界面：
联机时必须双方同时在游戏主界面，一方点击-创建大厅-邀请好友，此时，对方必须也在游戏主界面，通过点击steam弹出的游戏邀请，点击接受；
Both parties enter the main interface of the game：
When online, both parties must be on the game main interface at the same time. One party clicks on “Create Lobby” and then “Invite Friends”. At this time, the other party must also be on the game main interface. Click on the game invitation that pops up on Steam and then click “Accept”;
Both parties enter the main interface of the game：
When online, both parties must be on the game main interface at the same time. One party clicks on “Create Lobby” and then “Invite Friends”. At this time, the other party must also be on the game main interface. Click on the game invitation that pops up on Steam and then click “Accept”;
4、然后，双方进入自己的游戏存档，等待一会，就会看到同伴，即可实现联机
Then, both parties can enter their own game save files to achieve online connection