I have CS-6 on CD. It is the old pre May 2013 version (before Cloud was mandatory).
I have five CS-6 programs to install on separate MAC computers. (finally had $$ to upgrade)
The Serial Number Retrieval site is no longer available.
What to do??
Serial numbers are found under the account you registered your product under.
You'll see a triangle next to each one. Click on it to see your serial number.
Retrieving data ...