SCS Software has largely moved its distribution to modern platforms. Most legacy keys from 15 years ago may no longer validate through original servers if those servers are offline.
Check the email account used during the transaction. You should have received a confirmation email from SCS Software or the digital retailer containing your unique key. Physical (Retail) Disc: euro truck simulator 1 email and activation code
When you launch eurotrucks.exe , a window will appear with fields for: SCS Software has largely moved its distribution to
To play the full version, you had to enter these details into the "Product Activation" window that appeared after the trial period expired. Can You Still Get an Activation Code? euro truck simulator 1 email and activation code