download older max 6 version

Hello,
very short question : Do you know where I can download an older version of max 6 (like 6.04)?
a bit longer : I try to run max with Jack sound server on my windows machine, I made a few tries last month and everything ran fine but when I retried a few days ago I experience crashes when creating a cycle~ object with the 6.05 version, I suspect it's a regression since I see in the changelog between 6.04 and 6.05 that cycle~ was modified and would like to try with an older version to be sure before posting a bug report (can't remember if I had already upgraded to the current version at that time).
thanks by advance,
Matthieu