For disc-based versions, the key is typically printed on a sticker inside the box, often on the back of the manual or the inlay behind the disc.
(activation code) system to unlock the full game. Unlike modern titles tied strictly to Steam, the original retail and digital versions often require manual entry of these credentials. How to Activate Your Game euro truck simulator 1 activation code and email better
Open Steam and click in the bottom-left corner. Select Activate a Product on Steam and enter your code. For disc-based versions, the key is typically printed
If you have lost your key or entered an incorrect email during an official purchase, you can reach out to the developers directly: Activation Key - SCS Software For disc-based versions