To make your viewing experience as easy as possible, I recommend the following software:

TopoFusion - a must download and free! This software trumps Google Earth. Allows GPS downloads and conversion to many formats. My videos use this software for real time tracking of routes. Click here

To download the most recent Google earth software, click here

Winrar, to zip, rar, unzip and un-rar files, click here

Download VLC, to watch demo movies and HD movies, click here (Windows Media Player works too)