The system requirements are depending on the role the computer is playing.

The tree main computer roles are:

• Server
  A computer shared by network clients. Data is being served and/or stored at this computer.
   
• Network Client
  A computer connected to a server through some kind of network. No data is stored on the client.
   
• Stand-alone
  A computer with both a small server and a client so that data can be edited and stored directly on this computer without further connections.