You're looking for information on the product key for Euro Truck Simulator 2 (ETS2) version 1.40.
Downgrading can cause issues. Save files from newer versions (1.41+) will likely not work on 1.40. Always back up your saves (located in Documents\Euro Truck Simulator 2\profiles ). ets2 1.40 product key
A product key is a unique code required to activate and play a game, in this case, Euro Truck Simulator 2. It's usually a 20-character code consisting of letters and numbers. You're looking for information on the product key
Using a valid ETS2 1.40 product key offers several benefits, including: in this case
New 4x2 rigid chassis configurations for various trucks. The Truth About "Free" Product Keys