Xform on the Window NT has three different packages

 1. Xform for Gnuwin32.
    This distribution was compiled using gcc compiler which comes 
    with GNU-WIN32 tools.  You can get this package from 
    www.cygnus.com/misc/gnu-win32.  You also need the X11 client 
    library found in the same page.

 2. Xform for Win32 
    This distribution was compiled using Microsoft Visual C++ 5.0.
    You will need Microsoft VC++ 4.0 or highier to use it.
    You'll also need the X11 client library (Xlib), downloadable
    here from WIN32/Xlib/ directory.
    (This distribution is very alpha-ish)


 3. Xform for OpenNT.
    This distribution was compiled using cc compiler which comes 
    with OpenNT 2.0. You can get this package from
    http://www.softway.com/OpenNT.