: If you have a hard copy, the product key is found inside the CD case.
Because this version is no longer the default live build (Steam auto-updates to 1.40+ as of 2025), finding a specific product key for 1.35.1.31 requires understanding how ETS2 licensing actually works. Euro Truck Simulator 2 Product Key Version 1.35.1.31
Update 1.35 was one of the largest content drops in the game's history. Key features included: : If you have a hard copy, the
A quick Google search for "Euro Truck Simulator 2 Product Key Version 1.35.1.31 free" will lead you to keygens, cracked EXEs, and "serial code" websites. You should avoid these at all costs for three reasons: Euro Truck Simulator 2 Product Key Version 1.35.1.31