The PC version of the package comes in a ZIP file.
Use any UNZIP program to decompress it to a target directory.
The ST version comes in ARC'ed format ( V. 3.5).
Copy the file MIDI2TEX.ARC
to your (hard) disk and de-ARC it using any de-arc program.
The example archive included in the distribution kit is ARC'ed
and can be retrieved as described above.