The toolbox always works within the latest version of Mathematica and does not support any backward compatibility. After the toolbox is installed correctly it should show up as a package in the Mathematica add-ons.
The installation manual can be found here.
The tool includes demonstration code and data which can be found here.
A notebook with all functions and their description can be found here. Documentation of all functions and their options is fully integrated in the Mathematica documentation. An online version of the full documentation can be found here.