Starting with Firefox 55 in August 2017, users must choose which sites are allowed to activate the Flash plugin. Users will have the choice to remember the Flash setting per-site. Users will have the choice to remember the Flash setting per-site.
https://support.digication.com/hc/en-us/articles/115003926487-Enabling-Flash-for-Mozilla-Firefox-Windows-Macintosh- https://help.animaljam.com/hc/en-us/articles/115010386908-Enable-Flash-Player-in-Firefox https://www.youtube.com/watch?v=3zu7TK9yRJ4 https://help.ubuntu.com/stable/ubuntu-help/net-install-flash.html.en https://wiki.debian.org/FlashPlayer https://www.zdnet.com/article/mozilla-firefox-69-will-disable-adobe-flash-plugin-by-default/ https://www.lifewire.com/what-version-of-flash-do-i-have-2617986
Adobe Flash Player Firefox, Safari, Opera 18.104.22.168 Download Adobe Flash Player for Windows now from Softonic: 100% safe and virus free. Future updates are likely to occur on a regular basis. You will be notified of any changes as they How do I enable Flash Player on a Chrome browser? You will first type "chrome:plugins" into the address bar. HowTo: Linux Update the Adobe Flash Player [ Firefox and Chrome...] The Adobe Flash Player plugin is use for viewing multimedia, and streaming video and audio, on a Firefox web browser. The same plugin is used by Google chrome and other browsers. Keeping your third-party plugins such as flash player up to date helps Firefox run safely and smoothly. Adobe Flash Player Update 11.3.300.262 Update Fixes Firefox Issues Adobe Flash Player update that shipped earlier this month caused problems for Firefox users. Most users complained that the update caused Firefox Manual Workarounds to Fix Firefox-Flash Player issues. Mozilla recommended its users to disable or uninstall RealPlayer Browser Record extension (if... Download Adobe Flash Player into Firefox [Solved] | Forum
Flash plugin not working on certain websites. Firefox can block the Flash plugin on certain websites, if using it would cause security, speed or stability problems. For more information, see The Flash plugin is blocked on some sites by default.
https://wiki.alpinelinux.org/wiki/Installing_Adobe_flash_player_for_Firefox https://portableapps.com/node/54043 http://cgm.org.in/ef4z/begwsa.php?zy=flash-games-not-working-firefox https://unix.stackexchange.com/questions/113714/how-do-i-install-flash-plugin-for-firefox-in-slackware-14-1 https://help.lumosity.com/hc/en-us/articles/214840423-Games-don-t-load-on-Firefox-What-do-I-do-