[Zope] Installing TextIndexNG

Hi all, I have tried to install TextIndexNG on a windows platform (with zope 2.5.1) I have tried several vesions of TextIndexNG included the latest release (1.05.beta). Everytime I try to "python setup.py install" I get this error : CompressedList/pyclist.c(20) : fatal error C1083: Cannot open include file: 'Python.h': No such file or directory error command '"C:\Program Files\...\cl.exe"' failed with exit status 2 There are no such file as Python.h Does anybody have a solution ? Thanks for any info. Fab.