Version 1.40 is now quite old. ETS2 is currently on much newer versions (1.50+), which feature massive lighting engine overhauls, new trucks, and improved physics.
The reason many people search for version 1.40 specifically is that it introduced the . It completely changed how the sky, sunlight, and weather looked, making the "High Quality" aspect of the game much better. However, every update since then has only improved these visuals further. How to Stay Updated Euro Truck Simulator 2 1.40.4.8 Activation Key High Quality
If price is the concern, you don’t need a sketchy activation key. Euro Truck Simulator 2 is famous for being one of the most frequently discounted games on the market. Version 1