The pygtk and gtkmm binaries for win32 are now available on the gnome ftp servers.

• pygtk: http://ftp.gnome.org/pub/gnome/binaries/win32/pygtk/
  pygobject: http://ftp.gnome.org/pub/gnome/binaries/win32/pygobject/
  pycairo: http://ftp.gnome.org/pub/gnome/binaries/win32/pycairo/
• gtkmm: http://ftp.gnome.org/pub/gnome/binaries/win32/gtkmm/
  

Both PyGTK and gtkmm require a GTK+ runtime and/or developement environment.

• PyGTK 2.8 : GTK+ 2.8 or newer, available as a nice installer from the gladewin32 project.
• PyGTK 2.10 and gtkmm 2.10 : GTK+ 2.10 or newer, also available from gladewin32.