The VideoLAN Forums

https://www.google.com/search?q=how+to+enable+npapi+in+firefox+esr+52 Followed every piece of instruction but still doesn't work. plugin.load_flash_only was already present and set to false after entering about:config and searching for existing plugin.load_flash_only. VLC plugin still didn't appear...

This technology is outdated, not supported by recent browsers, and shouldn't be used anymore. Full stop. Does that mean, even if I installed a legacy Firefox ESR browser with NPAPI plugin support and disabled browser automatic updates, VLC NPAPI plugin still won't work? I am NOT using the latest ve...

The only solution is to use Firefox ESR 52.9.0 which is the latest version to still support NAPI plugins. But branch 52 should not be updated anymore. Or one of the Firefox forks which still supports NPAPI: Cyberfox, Palemoon or Waterfox. Keep in mind you are going to use this at your own risks as ...