1、解压缩
2、安装Update目录下的升级补丁到游戏目录中
3、复制CODEX目录下的未加密补丁到游戏目录中覆盖
4、开始游戏

更新说明：

Update 1.02:
Multiplayer:
Fixed a possible crash bug in online co-op.
Fixed an issue which could cause the game to run in double speed in online co-op.
Shotgun ammo crate in weapon shops now gives 25 ammo for $100 instead of 50.
Fixed an issue with multiple steam controllers working in local co-op.
Gameplay
Player shields' (tbr) are capable of blocking full damage from explosions and half of stability damage capped at half the player's total stability.

By CODEX