Duplicate Display
To show the instructor station computer screen on the projector screen, follow these steps:
- On the keyboard, hold down Windows + P to open the Display Toolbar (shown below)
- Select Duplicate to clone your screen onto the projector screen.

More on the Display Toolbar:

Computer only - the name says it all.
Duplicate - connects computer screen to the projector, displaying the same image on both.
Extend - makes the projector screen an extra monitor, so you can move windows and applications between them to display on one or the other.
Projector only - turns off your computer's screen and turns the projector into your monitor.