If offline, the game generates an activation.scb file in Documents -> Euro Truck Simulator 2 .
Install the legacy version and enter your 25-digit key (format: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX ). euro truck simulator 2 1.35 product key
Websites claiming to have a "serial key generator" for ETS2 1.35 are lying. Modern CD keys for Steam games are cryptographically generated on secure servers. No external software can "generate" a valid key. These downloads are 100% malware, keyloggers, or ransomware. If offline, the game generates an activation
Depending on the type of key you have, the activation process varies: Go to product viewer dialog for this item. euro truck simulator 2 1.35 product key