This directory contains the following files,

mvr4demo.exe
win32s.exe

To install the demo:

Download the file mvr4demo.exe, and place it in a temporary directory.

Issue the command 

mvr4demo -d

from the command line.

After you have done this, go into the directory 
mvr4demo and run install.exe to install the demo.

Important Note to Windows 3.1x users
------------------------------------

If you are running Windows 3.1x, and do not have Win32s (at least version
1.30) installed, then you will need to download win32s.exe.

Once downloaded, place win32s.exe in a temporary directory, and then
issue the command:

win32s -d

from the command line.

After you have done this, go into the directory
win32s\disk1 and run setup.exe to install Win32s.