Select Properties from the dropdown menu.
If you already own ETS2 on Steam, here is the safe, legitimate method to play version 1.40: ets2 1.40 product key
Websites like Humble Bundle and Fanatical sell official Steam keys. They are legitimate and often cheaper than Steam's base price. Select Properties from the dropdown menu
The search volume for this phrase comes from a few distinct groups: here is the safe
If you are looking for a key because you don't want to pay full price, there are safe ways to do it:
Right-click on Euro Truck Simulator 2 in your game library.