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v1.20升级档

更新说明：

Update v1.20.1:
- Added extra effects and checks for some random events for Celestial Empires.
- Fixed problem that made the Three Mountain Achievement demand that all your subjects be tributaries instead of all subjects being anything but tributaries.
- Noble disaster will no longer change government for Shogunate or Daimyo.
- Fixed Personal Union not breaking upon independence war when in consort regency.
- Countries now get Parliaments when switching to government forms that have them enabled.
- Fixed faulty trigger in Nanban Incident that made it unable to trigger.
- Fixed missing icon/no bonus for Eight Banners Manchu national idea.

By CODEX