How do I install DxO FilmPack 4 as Plug-in for DxO OpticsPro ?

DxO FilmPack 4 is automatically installed with DxO OpticsPro v8.2 or higher and integrated into the OpticsPro menu. There is no need to specifically install it.

You can activate the demo versions of DxO FilmPack 4 in DxO OpticsPro by using the
Help -> DxO FilmPack -> Activate the demo version menu command for Windows.