Available documentation for using and developing with NicEdit is on the NicEdit Wiki. Please feel free to contribute to this ongoing effort.
In addition to the wiki, source code in the Demos available on this site for common uses of the editor. More complex demos showing the advanced features of NicEdit are available in the release download
If you have read the documentation and still are having a problem using NicEdit, please first try posting on our Support Forums for assistance.
If you still have no success, or need a feature NicEdit lacks contact the NicEdit developer for expert Paid Support, installation, or feature development for any application using NicEdit ($50 an hour, 1hr minimum).