Download ReShade Framework 1.0.0 and ENB before, copy the contents of the Realism Graphics Los Angeles 1.0 to main folder GTA V reshade folder and rename Reshade64.dll to dxgi.dll, do copy of Reshade64.dll and rename d3d11.dll. You must have 2 files on main folder gta v dxgi.dll and d3d11.dll.
Copy Sweetfx.cfg in the reshade folder. If you want you can use VisualV or Vanilla original

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enjoy :)