Just so you are aware, this thread pertains to Beta testing Samsung’s Edge drivers. These are not the production version. The beta versions, or even the production versions, may not be what you really want. 3rd party (community) developers also write drivers which are often more fully featured. Here is a link to a wiki that describes those drivers:
However, if you want to join the beta program for Samsungs Drivers, look at the link below. Bear in mind that a number of Samsung drivers are already in production, so I would remove and re-add your device just to make sure a Samsung production driver doesn’t already exist.