You mean in "Try for free?"
1. You need Quicktime -
www.apple.com
2. They use a Javascript Window.Open, so may fall foul of popup killers using either script-blocking OR window blocking methods - or of Javascript being disabled
If you can see the page, but want to save the file, View source may help - if they don't disable it - Proxomitron (try the freeware section) may be able to neutralize any right click blocking.