After reading this, make sure you see Notes at the bottom of this page.
Prerequisites
You must have Tcl/Tk installed. To install Tcl/Tk, first download
it from here: http://www.activestate.com/Products/Download/Download.plex?id=ActiveTcl.
If your OS is not in the list there, then you must download Tcl/Tk in source form and compile it. Download and install info in this case can be found here: http://www.tcl.tk/software/tcltk/downloadnow84.tml.
Install the Tcl/Tk you downloaded/compiled above
cd c:\tkhub tclsh tkhub.tcl
cd /tkhub tclsh tkhub.tcl &