A product key (or CD key) is a unique alphanumeric code used to verify that a copy of the software is genuine. For Euro Truck Simulator 2, the activation system serves multiple purposes: : It proves ownership of the base game.
This is the recommended method as it provides automatic updates and access to all DLCs. Open the Steam client and go to Games > Activate a Product on Steam Enter your product key in the format XXXXX-XXXXX-XXXXX The game will then be added to your library for download. 2. Legacy/Non-Steam Activation Product Key For Euro Truck Simulator 2 Version 1.35.1.31
: Uses a 25-character format: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX . A product key (or CD key) is a
Launch Steam → Games → Activate a Product on Steam → Enter your purchased key. Open the Steam client and go to Games
Modern Steam keys for ETS2 are in the format: XXXXX-XXXXX-XXXXX (three groups of five alphanumeric characters).