Because the game has shifted to Steam, pirated legacy keys will not allow you to access modern features, updates, or DLCs.
SCS Software has stated that all product keys (including legacy retail keys) activate on Steam . However, users in the early days reported that their retail keys didn't work immediately. The developer explained that they had to provide Valve (Steam's parent company) with a database of all retail keys and it took time for the system to be fully integrated. If your old key doesn't work today, it may have been a regional variant or a pre-Steam key that was never properly logged. You can try to activate it via the "Activate a Product on Steam" method mentioned above. If it fails, you'll likely need to contact support. euro truck simulator 2 version 1.1 1 product key
The standalone installer actually contained the full game, but it operated as a time-locked demo. Entering a valid product key unlocked the full map and progression system. The Modern Shift to Steam Because the game has shifted to Steam, pirated
The latest version of Euro Truck Simulator 2, version 1.1.1, brings several new features and improvements to the game. Some of the key changes include: The developer explained that they had to provide
using the "Sign in through Steam" option without needing a physical key. Legacy Activation (Offline) Offline activation - Euro Truck Simulator 2