Unzip the download file and drop it in the Mods folder in the main SH3 folder, enable with JSGME and your ready to go. If you need an unzipping program, I use 7-zip, it's free and works on almost any type of zipped file.
This link tells about the program.
http://www.7-zip.org
This link will take you a download page
http://sourceforge.net/projects/sevenzip/
Welcome to SubSim!
