For this repaint you will need the DTG Karlsruhe-Strasbourg route

https://store.steampowered.com/app/1637257/Train_Simulator_Bahnstrecke_Strasbourg__Karlsruhe_Route_AddOn/

Step 1 : Extract the .rar to your Railworks folder, make sure the .bat file is in your ASSETS folder otherwise this repaint CANNOT be completed.

Step 2 : Execute the Bat folder, if the .bat asks to overwrite, say yes.

Step 3 : Enjoy your repaint.

Note ; that i'm not liable for anything, in case of a problem please contact me.