Move your cursor over the video list on the right to scroll through the full list of videos. To play a video, click on it in the video list. To view all videos in order, click the "play" symbol at the center of the video image. You can adjust the volume by dragging your cursor along the blue bar at on the control bar. To view a video in full-screen mode, click on the full-screen icon on the far right of the control bar. To change the video dimensions to fit your screen, click on the adjust screen icon in the middle of the control bar.