Some hints for viewing the lessons on your computer:
Using your mouse, if you hover over the video, a toolbar will appear at the bottom of the video. Once the toolbar is visible, on the lower right hand side, look for a small icon like this:
. If you click this icon, it will change the video to be in FULL SCREEN so you can see the video full size on your screen.
Clicking once on the video usually pauses the video. Clicking once again restarts the video.