Move the file to your ETS2 mod folder (usually Documents\Euro Truck Simulator 2\mod ).
With the 1.45 update, these trailers can now haul specific cargo added by SCS Software: Krone Europack v1.6 1.45
: Click the "Customize Configuration" button to apply the specific Europack skins and matching painted accessories. Move the file to your ETS2 mod folder