1、解压缩
2、安装Update文件夹下的升级补丁到游戏目录
3、复制CODEX文件夹下的未加密补丁到游戏目录覆盖
4、运行游戏

需要先安装v19894升级档

更新说明：

Update v20026:
Changes and Additions
The \Mods\ subdirectory can now be used to install and manage user-created mods. For instructions, please read the MakingMods.txt file in the \Mods\ directory.
Unlocking 'Dreadnoughts' no longer requires 'Duranium Construction'.
Removed the redundant 'Small Craft' prerequisite for 'Light Carrier'.
Removed the redundant 'Graviton Physics' prerequisite for 'Star Gates'.
Removed the redundant 'Fusion' prerequisite for 'Plasma Focusing'.
Bombardment notifications now contain more information.
Added on-hover tooltips for terraforming projects.
Fixes
Fighters and bombers should now automatically upgrade to use the latest available munitions/weapons, without requiring that the mothership be refitted.
Strike fighters should now correctly switch between attacking with energy weapons or missiles, depending on their target.
Fix for a rare bug that could cause a crash when closing the ship designer pane.
Applying an autodesign template to a planet defense design should no longer cause an exception.
Fix for a rare bug that could cause fleets to disappear after issuing a movement command.
Rejecting the results of a galactic council vote should no longer cause an error.
Fix for a gunport animation glitch affecting several heavier Orthin hulls.
The 'Ancient Guardians' faction should no longer appear in the faction list.
Fix for a bug that could prevent raider units from embarking from low-population planets.
Disabling 'advisor suggestions' should now suppress special resource notifications.
You should now receive at most 1 special resource notification per resource per game.

By CODEX