If you are using a Steam key , the license is permanently tied to your Steam account. You can install and play the game on any computer you log into with your Steam account. If you are using an older legacy key (non-Steam), the number of activations within your own household is not limited, provided you have a valid key.
Buy the game directly from the developers. product key for euro truck simulator 2 1.15.1
You can buy the game directly from SCS Software. This provides you with a standalone game installer and a product key that works for older versions, including 1.15.1. 3. Retail/Physical Copy If you are using a Steam key ,