You must first assure that you have 1.2 compatible Java VM installed on your system.

These are the latest preview releases of vIDE:

From the 0.2b version, the sources are separately bundled into the "_src.*" archives.

File name	Size
vIDE_0_1b_Snapshot.tgz	687166
vIDE_0_1b_Snapshot.zip	905326
vIDE_0_2b_bin.tgz	580990
vIDE_0_2b_src.tgz	688233

For installation instructions, see the README file which you downloaded with the installation bundle. Also, remember to carefully read he GNU License. It protects you freedom to share code with others, so you must be aware of its contents.