: For users with old retail keys (non-Steam), manual updates are sometimes required, though SCS Software strongly recommends migrating your key to Steam for easier version management. Check the official download page for legacy support. System Requirements (v1.39)
: If using ProMods, ensure you are using the specific version (v2.51) designed for 1.39.
From the dropdown menu, select temporary_1_39 - 1.39.x for incompatible mods .
Purchase the base game if you haven’t already. (Wait for a Steam sale—often 75% off). Step 2: Open your Steam Library, right-click on Euro Truck Simulator 2 , and select Properties . Step 3: Click the BETAS tab. Step 4: In the dropdown menu labeled "Beta Participation," scroll down until you see "temporary_1_39 - 1.39.x for legacy mods" . Step 5: Select it. Steam will immediately start downloading the 1.39 game files.