If you own the game on Steam (which is required for the official method), follow these instructions carefully:
Euro Truck Simulator 2 is a popular simulation game where players take on the role of a truck driver, navigating through Europe, delivering goods, and managing their own transportation company. The game has seen numerous updates since its release, with each version bringing new features, improvements, and content to the game. Download Euro Truck Simulator 2 Version 1.35