You can download the latest update of Harman How to Listen (version 2.03) here. This update fixes a bug in the Windows version that prompted listeners to locate program material that was not packaged with the installer. There is no significant change to the Mac version. Enjoy!
Original Resource is Audio Musings by Sean Olive http://seanolive.blogspot.com/2011/03/version-203-of-harman-how-to-listen-now.html