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

需要先安装1号升级档

更新说明：

Update 2:
Features:
added new types of scripts in Act V,
added an invert option to the game menu.
Optimization:
direction-light shadows are now disabled when using medium graphic settings,
dynamic Depth of Field is now disabled when using medium graphic settings (or lower).
Fixes:
fixed problems with collisions in Act VII,
fixed main data streaming issues,
the elevator in Act II should work properly now,
various small fixes, including no sound while equipping an item, sound issues, scripts repetition, etc.

By CODEX