1) Find teaching by navigating through the menu to the right.
2) To play on web browser: Left-click on the hyperlinks, gAh or gBh.
3) To download, instead:
(a) Right-click on gAh or gBh
(b) Left-click gSave Target As . . .h or gDownload Linked File As . . .h (Mac)
(c) Select where you like the file saved, e.g. Desktop
(d) Click Okay
(e) When download is complete, double-click file to play.