Here are the two main methods to get your game running. The first one is the official, modern method and is generally the simplest.
that only works on version 1.1.1, or are you just looking to install the base game for the first time? product key for euro truck simulator 2 version 111 install
Method 2: Down-patching to Version 1.11 via Steam Beta Channels Here are the two main methods to get your game running