To host a session, you must be using Showcase Professional. You can join a session from any version of Showcase.
You can join a Showcase session using any version of Showcase on a client machine attached to a large display.
Run an online session on a large display with Showcase or Showcase Viewer
While running Showcase Viewer, the cursor appears as a circle. You can join and leave a session, open and close a scene, set
some options, and view the scene in full screen. However, you cannot navigate around the view or edit the scene in any way.