Astronomy Lab for Windows NT and Win32s generates animated movies 
that simulate a host of astronomical phenomena, graphs that 
illustrate many fundamental concepts of astronomy, and reports 
that predict the most important astronomical events.


Required Hardware:

386/486 computer with at least 4 MB of memory.


Required Software:

Windows 3.1 in enhanced mode and Win32s (included).


Win32s:

Win32s is software that allows many 32 bit Windows NT programs, 
like Astronomy Lab NT, to run under Windows 3.1.


Installation:

1.  Unzip win32s.zip.

2.  Run the Win32s setup.exe program from Windows.

3.  Unzip alw_nt.zip

4.  Run the Astronomy Lab NT setup.exe program from Windows.

5.  Astronomy Lab NT is now installed and ready to run.  Read the 
    "readme.wri" file installed alongside Astronomy Lab NT for 
    additional information.


Win32s is copyrighted by Microsoft and is used by permission of 
Microsoft.  Win32s can only be distributed as part of another 
application, like Astronomy Lab NT.

Astronomy Lab NT is shareware and can be freely distributed,
provided it is not changed in any way.  For information on
registering Astronomy Lab NT, see the "readme.wri" file mentioned
above.

In summary, you can distribute: 

1.  Astronomy Lab NT by itself

2.  Astronomy Lab NT and Win32s

You cannot distribute Win32s by itself.