I'm currently using a CentOS Linux release 7.2.1511 (Core) operating system on a Dell machine. I've been trying to watch YouTube videos with Mozilla Firefox ESR 45.1.1, but it never worked.
("It's necessary Adobe Flash Player to play this video. Download the updated version of Flash Player")
I downloaded it but nothing worked.
I also tried to install some Firefox Add-Ons for Flash playing (YouTube Flash Video Player and Enable Your Youtube Flash Player) but nothing worked.
Any suggestions?
Thanks!
Best Answer
While HTML5 should be the default player and not Flash, try using an add-on for Firefox to force it to actually use HTML5. Here are some add-ons that should do the job:
To make sure your browser has complete HTML5 support, you should also update it to the latest version if you haven't already.