In 2021 Flash is finally fully dead.
If you need a browser with Flash - https://www.waterfox.net/download/ is doing it.
---
Adobe provides some tools for developing and processing flash files including a post processor to adjust swf files for the new security framework that was added in Flash 8.
Also, there is an uninstall tool, which is handy for web devs.
http://www.macromedia.com/support/flashplayer/downloads.html