For version 1.15, you can use the game's offline activation.
Revamped the truck dealer interface for better browsing. Euro Truck Simulator 2 1.15.1 Product Key
: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX (Five groups of five characters). These are used for the standalone, non-Steam version of the game, including version 1.15.1. For version 1
The 1.15.1 update for Euro Truck Simulator 2 introduced several new features and improvements, including: For version 1.15
Significantly faster autosaving and improved interior camera motion to simulate seat and body movement.
Added high-quality interior textures for several truck models.
. While lists of serial keys often appear on file-sharing sites like