1) download and install Python 2.6 - http://www.python.org
2) download and install Epydocs - http://epydoc.sourceforge.net
* for the following lines we will assume that your installation of Python is in C:\Python26 and epydocs is installed in the default folder Scripts\epydoc.
3) creates a epy_docgen.bat file in this folder (source\gameengine\PyDoc\) and paste the following line into it: