You just enter your verion in here...
I.E.
http://www.toribash.com/Toribash-3.64-Setup.exe
for 3.64
http://www.toribash.com/Toribash-3.50-Setup.exe
for 3.50
http://www.toribash.com/Toribash-3.0-Setup.exe
for 3.01
http://www.toribash.com/Toribash-3.72-Setup.exe
for last version

and so on..Only goes to 3.0.