It allows you to easily use the Steam Workshop , which has thousands of free mods (new trucks, graphics upgrades, etc.).
If you want to try the game before buying it, the developers () offer a free demo. You can play through a portion of the game, explore a few cities, and see if your PC handles the graphics well. DescДѓrcare gratuitДѓ Euro Truck Simulator 2 (v1....
ETS2 is frequently on sale, often for as low as $5 USD / 5€ during Steam seasonal sales. Buying the official version is highly recommended because: It allows you to easily use the Steam