If you don't already have the OverSite application, you are welcome to download it from one of these locations
OverSite 4.0, Windows 9x/NT/2000/XP/Vista/7:
OverSite 4.0.3, Mac OSX:
Disk Image: Open the "OverSite" disk image that appears on your desktop and drag the OverSite application icon to the location of your choosing, such as the Macintosh HD/Applications folder.
OverSite 4.0, UNIX/Linux/other Java-enabled platforms:
TAR: Untar the following download via
tar -xvf oversite.jar.tar. A JAR file, oversite.jar, will result. Ensure that you have a Java Runtime (JRE) of version 1.5 or higher in your system path. Launch OverSite by double-clicking on the JAR file or by issuing
java -jar oversite.jar.