How to Revert Back to Old YouTube Layout (New Method for 2020)

Since YouTube has the removal of the old version with a PREF code, instead you can use a Tampermonkey Script...

Chrome: https://chrome.google.com/webstore/detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo
Firefox: https://addons.mozilla.org/en-US/firefox/addon/tampermonkey/
Opera: https://addons.opera.com/en/extensions/details/tampermonkey-beta/
Edge (Legacy): https://www.microsoft.com/en-us/p/tampermonkey/9nblggh5162s

Script: https://greasyfork.org/en/scripts/39405-youtube-classic-for-2018-polymer-disable

Embed