This platform is browser-based and requires no special software for your Mac or PC. For browsers, we recommend the most recent versions of Firefox or Internet Explorer. Though not optimized for other browsers, the site should also work with the most recent versions of Safari and Chrome. There may be minor visual differences among browsers, but performance and functionality should not be affected. For best results, we recommend access via a high-speed broadband service. Make sure you have adequate audio and video capabilities, including the most recent version of Adobe Flash.