How to enable the new Facebook with dark mode

Facebook announced dark mode for desktop last month as a part of major UI redesign. The new user interface is live for everyone to try and it brings a major improvement in overall design of the Facebook desktop layout and design.
However, while going through all the new changes and improvements, it is easy to miss out the new dark mode option and how to activate it.
Follow our step-by-step guide to enable dark mode on Facebook web.
Facebook is giving users the option to manually activate the all-new Facebook and while doing that it asks users to enable the dark mode. However, if you have already enabled the new Facebook then you’ll have to dig into the Settings option and toggle on the dark mode.