Firefox gives you the choice whether or not to allow DRM code to be installed on your browser.
Many websites require the Adobe Flash Player plugin to display videos and games. Learn how to install the Flash plugin for Firefox.
The Adobe Flash plugin lets you view video and animated content in Firefox. Learn how to install and update Flash and fix problems with it.
Firefox can play HTML5 audio and video content on web pages. Learn about the supported media formats and how to manage them.
This article explains Firefox's virtual reality features and how to manage permissions for websites that ask to access your VR devices.