The ability to create a virtual second desktop is currently not available on macOS when using the ClickShare Button or app, but can be achieved when using Airplay to share your screen to a ClickShare device supporting Airplay casting.
One way Mac OS X differs from Windows is that when you close the last window, the app itself stays open. If you look at the Dock, you will still see a small dot underneath the app icon to indicate. The program is included in System Tools. The actual developer of this software for Mac is MurGaa. The most recent installation package that can be downloaded is 722 KB in size. Our built-in antivirus scanned this Mac download and rated it as 100% safe. You can launch this app on Mac OS X 10.5 or later.
If you want to use this functionality to see presenter notes when presenting a Powerpoint presentation, we refer to the Presentation mode in the ClickShare Desktop application: see [KB10950]
How to create a virtual desktop using Airplay with ClickShare
To see if your Base Unit model supports Airplay casting, please refer [KB7843].
Detailed instructions on how to share to your ClickShare Base Unit via Airplay can be found here [KB6410].
You can use an extended desktop on macOS by sharing to the ClickShare Base Unit via Airplay. Toggle the 'Use As Separate Display' to use the ClickShare Base Unit as a virtual second display when sharing through Airplay.