If you enable Windows 10’s dark theme, Microsoft Edge will activate a dark theme. If you’re running Windows 10 with the light theme and want Edge to operate in dark mode, you’ll need to manually enable a theme in Edge’s application settings.
Related: How to Change Microsoft Edge to Search Google Instead of Bing
Click the menu button and select “Settings” to activate the dark theme in the new, Chromium-based Microsoft Edge browser.

Select the “Appearance” category on the left side of the Settings page after clicking the menu button in the upper left corner of the screen.

Edge is set to the “Light” theme by default. You may alternatively pick “System default,” in which case Edge will use the Windows theme choice you selected in the Settings app. If you provide system accent colors, they will be used for the title bar and window frame as well.

Websites can opt to use your browser’s dark theme, although nearly none do so currently. The Edge browser, on the other hand, is based on Chromium and includes the same experimental “force dark mode” option as Google Chrome.
Enter “edge:/flags” into Edge’s address bar and press Enter to enable it.
In the search box at the top of the Experiments page, type “Dark Mode.” Select “Enabled” in the “Force Dark Mode for Web Contents” box.
When you’re finished, click “Restart,” and Microsoft Edge will shut and reopen all open Edge browser windows. You will not lose any open tabs, but make sure you have saved any work (such as data put in forms) on the web sites before proceeding.

Explore the site and see how it works. You may disable this option by returning to the Flags page, changing the “Force Dark Mode for Web Contents” option to “Default,” and restarting Edge.


Select the “Dark” option from the “Choose a theme” box towards the top of the Settings window.

Edge automatically changes to a dark appearance, regardless of whether you’re using Windows 10’s dark app theme. You may return here at any time to convert Edge back to bright mode.
This option is totally separate from the system-wide app theme option in Windows 10’s Settings app. For example, you might utilize a dark Edge browser theme while keeping all of your other apps in the regular light app mode.

How to Make All Web Pages Dark in Edge
This extension is designed especially for watching movies on the web with a dark backdrop, but it can also apply a dark theme to any web page you visit. It functions similarly to the Google Chrome and Mozilla Firefox extensions Dark Reader.

Select the “Night Mode” tab, then the “Show the night switch button below the web page to make the page dark or light” option on the right. The addon adds a Night Mode button to each web page.

You may also select the “Automatically go to Night Mode when a new web page is started” option to always utilize Night Mode by default.
Configure the other choices here to function way you want—for example, you might configure the Night Mode switch to only appear at night and not during the day.

Toggle the dark website style on or off when reading a web page by clicking the “Night Mode” button in the bottom left corner of the page.
If you decide you don’t want to utilize the dark website layout in the future, you may tweak, deactivate, or delete the Turn Off the Lights extension in Edge by going to menu > Extensions.

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