installing stand alone Audition CS6 (5-LS7)

I have a registered copy of adobe audition 5_LS7 (suppose to be stand alone verson of CS6).  From my account I downloaded to a new computer after my old one went bad. When I try to install it I get a message that, the serial no. is correct, but the product is not installed on the computer. I got one nice customer service person who said that I had to have a special installer program to now install 5_LS7 and he would connect me with someone who would provide me with a link and the help me install it. After more than 35 minutes on hold, the line went dead. I called back and another customer service person said that since my product was nering the end of life they would not provide phone support and I would have to go through community support. So is there anyone out there that could help me get this 9 year old program installed?