Most sites promising free activation keys hide trojans within their "key generator" software.

Follow the official SCS Software blog; they occasionally host events where keys are distributed to the community. Conclusion

Licensed trucks from Scania, Volvo, and MAN with "high quality" interior detailing. The Risks of Using "14048" Activation Keys

Look for the "Essentials" or "Map Booster" bundles on official retailers like Humble Bundle or Fanatical.