Get the mm2(3) free software



 Dear Netters,
    I am sorry that I maybe give a old question on the list.
    I would like to do some work which need the opt. structure of the
 MM2 (or MM3). I need to know how and where can i get the free software?
 any suggestion will be appraciated highly,
 thanks in advances,
 Sincerely,
 Guo, Jian-xin