where can we download the older versions of QB to convert a file from 2004 to 2020-21 in 3 year intervals?

i am unable to locate a url where the downloads are made available to us. please help.

i am trying to convert an old (2004) QB data file to a current version and then export the data into an excel spreadsheet.

called QB, spent over an hour, but unless you get the right person, they are unable to provide a good solution.