American Truck Simulator 1.39 Download May 2026

Do NOT download executables, patches, or "cracked" copies from untrusted sites or torrent networks — they risk malware, account bans, and legal issues.

There is no isolated "setup.exe" for ATS 1.39 on the official website. SCS Software distributes updates exclusively via Steam (or Steam keys on other retailers). However, if you own a non-Steam disc version, the process differs.

When trying to downgrade to 1.39, Steam may throw this error. american truck simulator 1.39 download

Version 1.39 brought significant changes to the game's rendering engine, specifically fixing an issue that had bothered players for years. Do NOT download executables, patches, or "cracked" copies