The VisAll runs in any (i hope) unix box with TCL/TK 8.* installed. You may download TCL/TK here.
Binary distributions: (last updated in )
If there is no version for your operating system, please contact me.
After downloading and unpacking VisAll (with a command like 'tar xzvf VisAll*.tar.gz') you should read the README file on the VisAll directory for further information.