This is a modified "UoDemo.exe" with the following patches applied:
  - almost all server code has been disabled
    (except the main loop because that one is responsible for shutting down the exe)
  - renamed the class+window name to "UO Demo PvP/PvM Client" (was Ultima Oline)
  - renamed the file mapping to "UoDmClntApp" (was UoClientApp)
  - added a Sleep patch to make the uodemo consume less power on modern PC's
  - the "UoDmClnt.exe" requires "UoDmClnt.cfg" to be in your UO directory
    (contents are : DemoServer=IP,PORT)

Greetings.