The Dark Mode is just AWESOME ?
How to Enable Dark Mode on YouTube?
Open YouTube App -> Settings -> General -> Dark Theme (Enable it).
How to Enable Dark Mode on Messenger?
Click on Your Profile Pic -> Dark Mode (Enable it).
How to Enable Night Mode on Android Pie?
From App Panel click on Night Mode
How to Enable Dark Mode on PC/Laptop (using Chrome Extensions)?
Using these popular chrome Extensions, you can use dark mode on your PC/Laptop.
Click here to go to Chrome Extension Page and you can download the given extension by just simply using the search panel.
Dark Reader (Chrome Extension)
Just Black Theme Chrome
How to Enable Dark Mode on any Android Phone?
To enable Developer options, open up Settings, then tap on “About phone.”
At the very bottom of this screen, you’ll see “Build number.” Tap that seven times. The Developers Option will be enabled (the location of Build Number can vary depending upon the Android Version.
Scroll down until you see Night Mode near the bottom of the first section of the menu.