To begin use your mouse to hit the play button. You can also use your space bar to start and stop the video. Your mouse will allow you to pan around by dragging left and right and up and down to get the full experience. When paused at a site click on the pin to display the site info or click visit to get the site availability. You can also enlarge the overhead map to quickly jump from site to site. If you are using a phone or iPad click the play button in the middle of the screen and that will bring you to the tour. Turning your phone sideways will give you the optimal view. Use your finger to start or stop the video on the play button in bottom left hand corner. Drag your finger right to left up and down for the full experience.