From the session Settings choose Timer Settings.
Select a timer.
Give timer a name.
Choose the type of time: Stopwatch or Count down from
Choose who you want the timer to be visible to only: Host and Current Presenter or All attendees.
"Start" begins counting just like a stopwatch.
The timer appears in the Taskbar.
Click the X in the Timer Settings window to close the window.
Hover over the timer and the name appears.
Click the timer to adjust settings.
Stop - pauses the timer.
Start - resumes the timer.
Reset - Clears time to 0.
Hide Timer - Removes it from the Taskbar for all attendees.