Even with a full DLC download, you may encounter problems.
: SCS Software maintains a Legacy Download Page for non-Steam users to update their installations, though it may require existing license keys for map expansions.
However, before you click any suspicious “download now” buttons, this guide will walk you through everything you need to know about version 1.40, its DLCs, legitimate ways to install the full game, and why updating to the latest version is crucial for your gaming experience.