When this video appears with the player controls on the bottom, you should click the "Play" button in the center to start the file. A click on the icon on the right end of the play-bar will expand it to full screen on your computer. To get it back to the small version, click the icon again and it will shrink down. Feel free to experiment with the controls. This is a high-quality video with stream that is about 44 Meg, and is formatted to play back on any device. For help or more information, call 888-766-6677.