Installing is easy.
Use WebStart - Webstart jOggPlayer which runs it and installs it with links on your desktop.
download and Double click on the install jar file (jOggPlayer116-install.jar)
download and type java -jar jOggPlayer116-install.jar
if either of those methods don't work try
If you have downloaded a zip archive... Create a new directory and unzip the archive into it (ie. d:\apps\jOggPlayer).
It is now installed.
OS/2 Users can optionally run the 'create_os2_desktop_joggplayer_object.cmd' after customizing the user settings in the 'java2.cmd' file.