Compared to later versions like Flash 11 to 32, Flash 9 runs incredibly light on resources, making it ideal for emulation or running on legacy hardware.
The original official distribution point for the Flash 9 update was the Adobe Flash Player Support Center at www.adobe.com/support/flashplayer/downloads.html . By navigating the archived versions of that page from 2009 (around the time of the APSB09-10 release), users can retrieve the exact ZIP packages provided to developers and IT administrators. flash player v90246 offline download link