Updating Flash for Mozilla Firefox in Windows 8.x
NOTE: Mozilla Firefox users need to update Adobe Flash Player for Internet Explorer in addition to updating the Mozilla Firefox Adobe Flash Player plugin.
Mozilla Firefox uses a separate plugin for Adobe Flash Player which must be updated separately from the Internet Explorer Plugin. In order to fully update Flash for Mozilla Firefox, all old versions of Adobe Flash Player must be removed from the computer before installing a new version of Adobe FlashPlayer .
For step by step instructions on how to install, update, or remove Adobe Flash Player, please refer to the following links: