You should now have directories:
  src      The C++ source files, plus two PostScript source files.
  page     Contains the PostScript Page Definitions
  doc      Contains documentation and example .tex files
  man      Contains the LameTeX man page

You need to have a copy of latex and dvips from Radical Eye Software.
If you want to format text in ASCII, you need to have a copy of Perl.

You'll need to compile the code in the src directory.

To do this, you will need to edit the Makefile. Choose the appropriate
name for your CC executable. Choose the appropriate name for your source
directory, page directory, and executable directory.

Also, if your latex or dvips is a funny version, you will have to
change the variables LATEX and DVIPS. Don't make this change unless
you try lametex and it gives you an error while trying to run latex or
dvips.

Now go into the src directory and type "make".

Now type cd ../doc

Move the lametex_doc.ps to a temporary file with
  mv lametex_doc.ps lametex_doc.ps.works

Now try formatting the documentation in lametex_doc.tex.

You can type "../src/lametex lametex_doc.tex", and LameTeX
will process the file for you.  Alternately, you can use normal LaTeX
to format the file with "latex lametex_doc.tex".

The document will tell you everything you need to know to run LameTeX.