Which option do you want?
You go to steam, right click on ETS2 -> Properties -> DLC there you can uncheck all DlCs you don't want. Euro Truck Simulator 2: 1.40 Release - SCS Software's blog Download Ets2 1.40 Full Dlc
For the best deal on the complete collection, you can check the Euro Truck Simulator 2 Essentials Bundle or seasonal sales on wantgames.in . 40 for specific mods? Which option do you want