An improvements. New preset is added - Realistic. Works with Reshade 4.7.0, install only "Legacy standard effects" pack with all effects.

For Reshade 4.9.1. Install all the effects, put the preset file in your Far Cry 5/bin folder, activate it. You need Ray Tracing Global Illumination shader by Pascal Gilcher - https://www.patreon.com/mcflypg. 10-20 fps drop.