Installation of Softalk Share Server comprises a server installation followed by a client installation on each computer running Outlook.
When the server installation has completed, a ClientSetup folder will exist under the installation folder (typically c:\program files\softalk share server). The ClientSetup folder will contain a clientsetup.exe program, which must be must run on each computer running Outlook in order to configure it for Softalk Share Server.
If your computers form part of an active directory, then you can avoid the manual client installation step and instead use the remote client setup utility in order to roll out the client software remotely from the server computer.