: If the .zip contains multiple .scs files or folders (like def , vehicle , or sound ), you must extract those specific items into the /mod folder.
: A readme.txt or similar file explaining the mod version, compatibility requirements, and installation steps. File: Road.Trucker.zip ...
: Typically, you place the file in your game's directory: Documents/American Truck Simulator/mod Documents/Euro Truck Simulator 2/mod : If the