Browser requirements
The Lectures Online system works with just about all modern, html5 compliant browsers.
You can check to see if your browser is up-to-date by visiting this website https://browser-update.org/update.html.
Network requirements
You will also need to be on a network with a minimum bandwidth of 300 Kbps. If you are behind a firewall, you will need to have ports 80, 8080, 554, and 1935 open for proper playback.