The binary version of solubility is packaged as solubility_[version].jar. This can be downloaded from the sourceforge website.
You must have the java runtime environment 1.4 or higher installed to run the application. This is avaliable from the sun java website.
The binary distribution is packaged as a jar file
Run the application by typing:
java -jar solubility.jar
The java executable must be in your path.