Wayne,
AVG Zen has been removed from AVG Internet Security product, you can view it via AVG Tuneup. Open AVG PC Tuneup -> click on "Go to Zen" at the top left -> it will open main dashboard named AVG Zen. You can view your devices there.
Refer this article: http://support.avg.com/SupportArticleView?urlname=Download-and-install-AVG-Ultimate to install AVG Ultimate on other Windows devices.