you need to open the fla file in flash.
I've tried opening the .fla file whilst through CS4 but it just says, "Can't find a valid editor for this file extension". It gives me the same error message when I try to open the .swf file.
What to do please?
open flash. click file/open and navigate to the directory that contains the downloaded fla.
in addition to kglad's hint concerning the opening of a fla-file:
You could use a file manger like WIN-explorer (translated from my German explorer) > right click > menu opens > open with > WIN-explorer offers already a fla-program or it shows you "search program" > check it of youself > run program.