1. Simply copy that winx64 folder to your winx64 folder and overwrite existing files.
Make sure to backup your winx64 folder if something goes wrong.
2. Make sure to set the brightnes of the game like in the picture and deactivate AA.
For best results additionally use any weather or graphic mod, too.
Supported game versions: ETS2 – (1.32.x)Author(s): mc2rok
ETS2 – Best Realistic Graphic Reshade (1.32.x) Download File