You need to have ReShade and these shaders already installed: ContrastAdaptiveSharpen (CAS.fx), Curves (Curves.fx), Deband (Deband.fx), Vibrance (Vibrance.fx), Levels (Levels.fx), SMAA (SMAA.fx), RTGlobalIllumination (qUINT_rtgi.fx), FXAA (FXAA.fx).
It also has settings for a subtle DOF effect...