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How to Enable Dark Mode in the Mozilla Firefox Web Browser | PC Tutorial

1.2K views· 12 likes· 2:09· Jan 28, 2026

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How to Enable Dark Mode in the Mozilla Firefox Web Browser | PC Tutorial In this step-by-step tutorial, you’ll learn how to enable Dark Mode in the Mozilla Firefox web browser using a PC. Dark Mode changes Firefox’s appearance to a darker theme, helping reduce eye strain and giving the browser a modern look. This video walks you through Firefox’s settings and shows you exactly how to turn on Dark Mode in just a few clicks. 💻 Device: Windows PC 🌐 Browser: Mozilla Firefox 🌙 Appearance & theme settings Simple Steps 1. Open the Mozilla Firefox Web Browser. 2. Click on the 3-bar hamburger menu in the upper right corner and select "Settings". 3. In the left side pane, make sure you are on the "General" tab. 4. Scroll down to the "Website Appearance" section and toggle on "Dark". 5. Click on "Manage Firefox Themes In Extensions & Themes". 6. Now select a dark theme for the interface. Chapters 0:00 How To Turn On Dark Mode In Firefox 0:20 Open The Mozilla Firefox Web Browser 0:30 Click On The 3 Bar Menu And Choose Settings 0:43 Make Sure You Are On The General Tab 0:53 How To Enable Dark Mode For Webpages In Firefox 1:10 How To Enable Dark Mode For The Interface In Firefox #MozillaFirefox #DarkMode #PCTutorial #BrowserTips #TechHowTo Email me at: craigjohnson4770@gmail.com Find me on Twitter at: https://twitter.com/CraigJohnson20 Visit my Reddit page at: https://www.reddit.com/r/techtalktutorials/ Reach me on Tumblr at: https://www.tumblr.com/blog/techtalktutorials Follow Me On Facebook At https://www.facebook.com/No-Rest-For-The-Wicked-104557294721998

About This Video

In this PC tutorial, I show you exactly how to enable Dark Mode in the Mozilla Firefox web browser on Windows—no fluff, just the clicks you need. I start by opening Firefox, heading to the upper-right 3-bar hamburger menu, and jumping into Settings. From there, I stay on the General tab and scroll down to the Website Appearance section, where Firefox gives you a few choices. If you want Dark Mode for web pages, you simply toggle on “Dark.” After that, I cover the second part people miss: the browser interface theme. Right under Website Appearance, I click “Manage Firefox Themes in Extensions & Themes,” which takes you to the themes page. If you’re still on Light, you can pick a dark theme (or search for one) and enable it—then your tabs and toolbar switch over too. Once it’s on, I even hop back to a site like YouTube and refresh so you can see the change in action.

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