The transition from Euro Truck Simulator 2 (ETS2) version 1.16.2 to 1.17.1, released in May 2015, was a significant update that focused on technical overhauls and visual enhancements rather than just adding new content
For users with a "legacy" version of Euro Truck Simulator 2 Euro Truck Simulator 2 Patch 1.16.2 To 1.17.1 Download
From the dropdown menu, select temporary_1_17 - 1.17.x for incompatible mods . Steam will automatically download the necessary files. For Non-Steam (Retail) Users The transition from Euro Truck Simulator 2 (ETS2) version 1