Just so that people don't have to do digging in that article. In about:config, set browser.tabs.remote.autostart to true and check about:support for Multiproces

Just so that people don't have to do digging in that article. In about:config, set browser.tabs.remote.autostart to true and check about:support for Multiprocess Windows (might need to restart). For now though you'll have to disable any plugins for it to work which can be a bit of a handicap. But... almost there :).