Actual version always under video:
https://youtu.be/7BEREZVJghs

1. Download and run Reshade: https://reshade.me/
2. Select Game - your WRC7.exe.
3. Select Direct3D 10+.
4. Download collection of standard effect when ask.
5. Uncheck All effects (!). OK.
6. Unpack WRC7_DIRTY_RESHADE.rar to your WRC7.exe location. Override when ask.
7. When you'll be in game just press Alt+F2 and select WRC7_DIRTY_RESHADE.ini profile.