This program is in visual lisp and can only operate within AutoCAD.
The program doesnt require installation and dose not pollute windows or dos
environments.

The following files should be located in your acad/common/support directory
or in another directory located in the path of your AutoCAD.

Instep.VLX (visual lisp file)
pp.sld (slide)
sing.sld (slide)
ss.sld (slide)
Instepp.hlp (help file)
Read me.txt (this file)

Load the file Instep.VLX as you would any other lisp file, refer to your acad
manual. (Tools then go to load applications)

To execute the lisp routine at the command line type "step".

Check out the "slimed down help file"

If you want to run the program a first time without using any of the features
do the following:

Type step at the command line.  
Choose the type 3 stair by single clicking the icon.(far right)
Single click "tread dialoge box" then single click "apply"
Single click "landing dialoge box" then single click "apply"
Single click "pick a point box" then pick a point on the screen
click "OK" and AutoCad should draw a default stair. 