First of all ensure to back-up your files located in %LOCALAPPDATA%\WRC\Saved\Config\WindowsNoEditor\.
Copy the file from the zip into that folder, replace the original one.
This Unreal Engine tweak will ensure to compile as much as possible shaders while loading the stage to reduce stutter during the rally.
It will also reduce the bloom and the overall gamma of the game to not have blinding road, most notably in Mexico or on snow surface.
Finally it increases the draw distance of objects and shadows to avoid distracting pop-in.
Copy the file from the zip into that folder, replace the original one.
This Unreal Engine tweak will ensure to compile as much as possible shaders while loading the stage to reduce stutter during the rally.
It will also reduce the bloom and the overall gamma of the game to not have blinding road, most notably in Mexico or on snow surface.
Finally it increases the draw distance of objects and shadows to avoid distracting pop-in.