On the server you install Ditel Prospect directly on the root of the disk C: Ditel_Pospect at the time of installation.
You then right click on this folder to share it.
On each user station you can therefore access this folder.
From each user station you open the Ditel_Prospect folder, you select the ditel_prospect.exe file and you right click choosing send to: desktop create a shortcut.
It's over, each user shares the same database on the server station.