: Move the downloaded file to your ETS2 mod folder (usually Documents\Euro Truck Simulator 2\mod ). Activate in Mod Manager :
: Visit a Scania truck dealer and choose the Scania 4-series from the "Access Mod Dealer" or standard dealer menu to apply your new interior. Common Issues in 1.43 SCANIA R4 CUSTOM INTERIOR 1.43
Find your custom interior mod and move it to the list on the right. : Move the downloaded file to your ETS2