Downgrade the American Truck Simulator Game Client
Revert your local American Truck Simulator game client to an older version to match your server using Steam beta branches.
When SCS releases a game update, the dedicated server software update can sometimes be delayed by a few days. You may need to downgrade your local American Truck Simulator game to match your server version.
Downgrading Your Game Version
Open Steam Library
Open Steam and click Library. Right-click American Truck Simulator and select Properties.
Select a Beta Branch
Navigate to Game Versions & Betas and choose the beta branch you would like to use.
Launch the Game
Launch American Truck Simulator. Steam will download the selected version automatically.
⚠️ Warning: You may experience issues with any game version rollback.
💡 Tip: Want to also change your server version? Follow the server version guide to downgrade your ATS server.
How is this guide?
Create a Steam GSLT for Your American Truck Simulator Server
Generate a Steam Game Server Login Token (GSLT) required for your ATS server to appear in the public server list.
Enable the Developer Console in American Truck Simulator
Enable the in-game developer console in American Truck Simulator, required for exporting mods to your server.