Open the Mod Manager in your player profile and enable the mods individually. Technical Considerations
Ensure your game is set to version 1.43, as newer versions (like 1.50+) may cause crashes with these older mod files. BALГЌДЊEK 9 MODЕ® 1.43
Go to Documents\Euro Truck Simulator 2\mod\ . Add Files: Copy the downloaded .scs files into this folder. Open the Mod Manager in your player profile