GoTools (for MSDOS) can be downloaded from
https://lie.math.brocku.ca/gotools/htdocs/install-msdos-1-3 or 
https://lie.math.brocku.ca/gotools/htdocs/install-msdos-1-6 by 
either single left clicking GoTools1_3.zip or GoTools1_6.zip and
saving either one of them to a directory.

To unzip the file use either WinZip by double left click of the
*.zip file or by using unzip.exe which is also on the GoTools web site.

To run GoTools under Windows XP one has to make sure that it runs
in Windows 98 compatibility mode as follows:

- click gotools.exe with the right mouse button,
- in the opening window click 'Properties',
- click the 'Compatibility' tab, and under this tab 
  - click the box for 'Run this program in compatibility mode for:'
  - select underneath 'Windows 98 / Windows Me', then
- click the 'Screen' tab, and under this tab
  - under usage click 'Full-screen'.
- click 'OK' at the bottom (of this gotools.exe Properties window).

Also, one has to run the command.com interpreter in Full Screen mode
with 80x25 characters (which is the traditional DOS layout). To do this:

- click the 'Start' menu typically in lower left corner, 
- click 'Run'
- type command.com and click 'OK'.
- click the top bar of the opening frame with the right mouse button
  and select 'Properties'
- select the 'Options' tab and click 'Full Screen' 
  (underneath Display Options),
- select the 'Layout' tab and specify Width: 80 and Height: 25
- click 'OK' at the bottom,
- in the opening 'Apply Properties' window click 'Save properties
  for future windows with same title' and click 'OK'

To run GoTools either in the opening full screen change the directory
to the one that contains gotools.exe or enter 'exit' and start GoTools
by double click gotools.exe .

If this all fails then an alternative method would be to download and
install MSDOS from http://dosbox.sourceforge.net or for Windows 7 64bit 
using dosbox emulator which is available on
http://sourceforge.net/projects/dosbox/  .
