To select a door simply click on it. You will see a red outline around the door you select. You may change your selection by clicking on another door.
Press continue. One of the doors will be removed. Now select another door by clicking it then press the continue button.
Both remaining doors will be removed and you will find out if you won or lost. The text that is in red is the prize.
Press continue to continue with the applet.
Press restart to start over.