If your game is set to auto-update, Steam will pull down the latest stable build. How to Lock Your Game Specifically to V1.40
If you are looking for mods compatible with this specific version, the SCS Software Forum Steam Workshop American Truck Simulator V1.40 Download
Are you downloading V1.40 specifically to run (like older versions of ProMods)? If your game is set to auto-update, Steam
are the most reliable sources. When searching, specifically look for "1.40" in the mod title to ensure they work with this legacy build. American Truck Simulator V1.40 Download
To enjoy the enhanced graphics of version 1.40 and beyond, your PC should ideally meet the following requirements from SCS Software and Steam:
The update also enriched the game world itself, making exploration more rewarding and the roads more authentic.