This is an installable GPS map for the Drakensberg. This map is intended for use on a Garmin GPS and is suitable for a MAC. Instructions for installing and use are provided within the download.   

If you are using a Windows based machine, please see this link:

https://www.vertical-endeavour.com/downloads/download/4-drakensberg-hiking/206-drakensberg-gps-map-for-garmin-basecamp.html

An Android version of the map is also available for the OSMAnd App:

https://www.vertical-endeavour.com/downloads/download/4-drakensberg-hiking/210-drakensberg-gps-map-for-osmand.html

Forum topic below gives a few more details and screenshots etc:

https://www.vertical-endeavour.com/forum/44-gear/56345-drakensberg-gps-maps.html#72776