Dear user,
thank you for reporting the issue with the web site,we will forward to the website administrator.
About the software and documentation you have a lot of pdf that explain you everything you need in order to start use iisu.
You can start reading installation guide available here:
http://www.iisu.com/doc/iisu%20SDK%20...
After you install the software you have all documentation include developer guide for C++ and C# under
windows Start menu--->iisu-->documentation
Moreover you can have other usefull information in the FAQ section under Support in this website.
You can have Premium support by Phone ,mail and Teamviewer.
Contact sales@softkinetic.com for details.
KR