When you install the game, you're prompted to enter this key. Once entered, the game activates online, verifying that the key hasn't been used on another device or that it's legitimate.

: Using "free" product keys found on public lists or PDF documents from third-party sites is not recommended . These keys are often blacklisted, pirated, or bundled with malware, and using them may lead to your game being deactivated or your system being compromised.

If the game is already installed, you can find your encoded key in the activation.scb file located in Documents -> Euro Truck Simulator 2 .

Enter your 25-character key (format: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX) when prompted upon launching the game. Offline Activation: If you lack an internet connection on your gaming PC: Enter your key in the game; it will fail but generate an activation.scb file in your Documents/Euro Truck Simulator 2

The legacy version of ETS2 uses a specific product key format: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX (five groups of five characters). Where to find it

Euro Truck Simulator 2 (ETS2) version 1.1.1 is an early legacy build released in October 2012, shortly after the game's initial launch

), these are often blocked or considered pirated, which may lead to activation failure or lack of official support. Further Exploration Learn about the official Offline Activation Process from the developers at Euro Truck Simulator 2. Read community discussions regarding lost activation codes on the SCS Software forum. See a step-by-step guide for activating products on Steam for those moving from legacy versions. Do you have a proof of purchase