You need a 1.4.2 level Java runtime on your machine. You can get one here.
If you don't know your Java version, then open a command shell and type java -version.
You also need an Eclipse 3.0 platform runtime installation. From the following list select the appropriate package for your platform (for Windows only see also the installer version)
Windows 98/ME/2000/XP | eclipse-platform-3.0-win32.zip | |
Linux (x86/Motif) (Supported Versions) | eclipse-platform-3.0-linux-motif.zip | |
Linux (x86/GTK 2) (Supported Versions) | eclipse-platform-3.0-linux-gtk.zip | |
Linux (AMD 64/GTK 2) (Supported Versions) | eclipse-platform-3.0-linux-gtk-amd64.zip | |
Solaris 8 (SPARC/Motif) | eclipse-platform-3.0-solaris-motif.zip | |
AIX (PPC/Motif) | eclipse-platform-3.0-aix-motif.zip | |
HP-UX (HP9000/Motif) | eclipse-platform-3.0-hpux-motif.zip | |
Mac OSX (Mac/Carbon) (Supported Versions) | eclipse-platform-3.0-macosx-carbon.tar.gz |
The plugin has been tested with Eclipse 3.0 and 2.1.x on Windows. Please report successful usage with other versions/platforms.