If you currently have the latest version of ETS2 but need to revert to 1.39 (often for mod compatibility with older map mods like ProMods), you can do so by right-clicking the game in your Steam Library. Go to Properties > Betas .
Euro Truck Simulator 2 (ETS2) version 1.39, released on November 3, 2020, remains a significant milestone for fans of the series, introducing a major overhaul of heavy hauling mechanics and a complete visual rebuild of one of the game's most iconic ports.
From the dropdown menu, select temporary_1_39 - 1.39.x for incompatible mods . Steam will then automatically download the 1.39 files.
You can also download a free trial version of the game directly from the official Euro Truck Simulator 2 website . System Requirements for V1.39
Note: If you use extensive map mods or high-resolution texture packs, you may need significantly more than 12 GB of RAM to prevent crashing. Why Use Version 1.39 Today? Download - Euro Truck Simulator 2
For most players, the best and safest way to access specific versions of the game is through the Steam Client .