You may want the changes directly and at all times, without enabling mods. Possible reasons:

- Bypass the mod section so you can play with a fixed game and achievements allowed.

- You may want these changes at all times, and mod the game on top of these changes.

Keep in mind this is not recommended at all if you usually play multiplayer, unless everyone involved do these steps in their games.

You need to be subscribed and have already downloaded the mod previously.

Install:

1. Locate the mod files within your computer. (Usually under [STEAM]\workshop\content\392110\3168837637)

2. Open the file "FullFiles.zip" with any ZIP extractor.

2. Extract all the folders inside game's public folder. (Usually under [STEAM]\common\Endless Space 2\Public)

2.B For OS X users there are a few additional sub-directories inside the Steam folder.
(/common/Endless Space 2/EndlessSpace2.app/Contents/Public)

If you did it right, the system will ask to replace more than 30 files.

Uninstall:

To uninstall the mod: just go to steam library, right-click on Endless Space 2 > Properties > Installed files > Verify integrity of game files.