Ironically, most people want v1.43 because they found a specific mod (e.g., a map mod like ProMods or a truck mod) that hasn't been updated for newer versions of ETS2. However, the cracked v1.43 executables are usually unstable. They crash more often than the legitimate Steam version and cannot be updated.
This update introduced a significant rework to the lighting system. The developers updated how light is projected from truck headlamps, interior lights, and street lamps. This made night driving more atmospheric and realistic, requiring players to rely more on their high beams in dark rural areas. euro truck simulator 2 143 download full free full version
If you already own the game legally (or have a legitimate copy) and want to play specifically on version 1.43 (perhaps because your favorite mods haven't been updated for newer patches like 1.45+), Steam makes this very easy. Ironically, most people want v1
Steps to Downgrade:
Note: This feature is officially supported by SCS Software for players who prefer older gameplay styles or need mod compatibility. Note: This feature is officially supported by SCS
SCS Software offers a fully functional demo of ETS2 on their official website and Steam. While it limits you to a few cities and a time limit, it contains the exact same engine and physics as v1.43. It is 100% legal, requires no crack, and updates automatically.