Some users who are accessing Sixty Vocab through Internet Explorer have contacted us about issues with the sound and/or launching videos. We are looking into it.
While Sixty Vocab is designed to work across all browsers, we have found it performs best on the latest version of Chrome. Here's a link to the latest version of Chrome: https://www.google.com/intl/en/chrome/browser/.
Our Getting Started videos are also on our YouTube channel, if you would prefer to watch them there.