RimWorld v1.3.3117 (a specific build of the Ideology expansion era).
You should find a folder named Multiplayer or similar inside. rimworld-mp-steam-fix-for-v1-3-3117-zip
Navigate to your RimWorld installation folder. Steam Path: ...\Steam\steamapps\common\RimWorld\Mods . RimWorld v1
If you are using this file, the standard manual installation process for RimWorld mods typically involves the following: rimworld-mp-steam-fix-for-v1-3-3117-zip
This specific ZIP file is often associated with "online fixes" that allow players to use the —which normally integrates with the Steam Workshop and Steam API—without requiring a standard Steam license or to resolve specific version mismatches.