Developers at SCS Software constantly update ETS2. However, players often specifically look for legacy versions like 1.31 and 1.35 for distinct reasons:
The , typical of older boxed copies, uses a key format of five groups of five characters (XXXXX-XXXXX-XXXXX-XXXXX-XXXXX). The newer Steam edition , which is the standard version today, uses a shorter format of three groups of five characters (XXXXX-XXXXX-XXXXX).
SCS Software provides a legal, built-in mechanism to downgrade your game to almost any historical version. You do not need a secondary product key or a separate installation file to achieve this; you only need ownership of the base game on Steam. Step-by-Step Downgrade Guide Euro Truck Simulator 2 Version 1.35 1.31 Product Key
Many sites offering "cracks" or key generators are fronts for malware, including viruses that can compromise your personal data.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Developers at SCS Software constantly update ETS2
In the dropdown menu, select the desired version (e.g., temporary_1_31 or temporary_1_35 ). Wait for Steam to download the older version. Installation and Setup Tips
Be wary of websites offering free keys, as these are often scams or malware, and they violate SCS Software's terms of service. How to Access Old Versions (1.31 or 1.35) on Steam SCS Software provides a legal, built-in mechanism to
: If you bought the game on Steam, it is automatically tied to your account; however, you can view licenses and product keys in your Steam Account Details .
: If you're having trouble with your product key, the support team at SCS Software is a good place to start. They can help with activation issues or guide you through the process.
Crucially, the product key is not specific to the game's minor version number. Whether you are playing version 1.31, 1.35, or the modern 1.54, the same product key works for all of them—it's the activation key for the core game itself.
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