If you have installed the Java Runtime Environment and Java3D (as outlined in these instructions), you can run VisBio directly from this web page without needing to install it manually, using the Java Web Start technology bundled with the JRE. To run VisBio using Java Web Start, click the link below.
You will receive a warning that the certificate's authenticity could not be verified, because the JARs are self-signed. It is safe to ignore such admonishments and start the program anyway.