This download contains 4 presets for Analog Efex from thle Nik Collection. As with all presets, you can use them as they are or adjust them to your own taste. You can easily install the presets in Analog Efex. If you have started Analog Efex you will see on the left, where the examples are shown, a choice "Imported". On the right is a +, by clicking on it a window will open in which you can look up and install the presets, so very easy.
The NIK Collection is now from DXO and is maintained by them. This used to be a very expensive package but now it only costs € 70. The free version of Google is also available on the internet. See for a possible download this article.
Below you can see the examples of the presets with the names. You can determine which preset you want to install based on the images. Click on the photo to see it enlarge on a black background.