Press Windows I to open Settings, go to Personalization > Colors, and set either “Choose your color” or “Choose your default Windows mode” to Dark to enable Dark Mode, or set to Light to disable it. 2. Optionally, set App mode to Dark in the same menu to apply dark theme to supported apps. 3. Alternatively, press Windows A, click the Theme tile in Quick Settings to cycle through modes, adding it via Edit if not visible. Changes apply instantly without restart.
Turning Dark Mode on or off in Windows 11 is simple and can be done in a few clicks. Whether you want to reduce eye strain in low-light environments or prefer a lighter interface, Windows 11 makes it easy to switch between themes. Here’s how to do it.

Open Settings App
The quickest way to change your theme is through the Settings app:
- Press Windows I on your keyboard to open Settings.
- Click on Personalization from the left-hand menu.
- Select Colors from the right-hand panel.
Choose Your Mode in the Theme Settings
Under the Mode section, you’ll see two drop-down menus:

- Choose your color
- Choose your default Windows mode
To enable Dark Mode:
- Set Choose your color to Dark, or
- Set Choose your default Windows mode to Dark
To switch back to Light Mode:

- Select Light in either drop-down menu.
Note: “Choose your color” affects the overall app and system color, while “Choose your default Windows mode” controls the light/dark appearance of Windows elements like File Explorer, Settings, and other system apps.
Apply Dark Mode to Apps (Optional)
By default, some third-party apps may still appear in light mode even if Windows is set to dark. To ensure apps follow the system theme:
- In the same Colors settings page, scroll down to App mode.
- Set it to Dark so that supported apps automatically use dark themes.
This doesn’t affect all apps—especially older or non-Microsoft ones—but works well with Microsoft Store apps and newer software.
Use Quick Settings (Fast Toggle)
For a faster way:
- Press Windows A to open the Quick Settings panel.
- Click the Theme tile (it might show a sun or half-moon icon).
- Each click cycles through Light, Dark, and sometimes Automatic modes.
Tip: If you don’t see the Theme tile, click Edit and add it from the list for easier access.
Basically, just go to Settings > Personalization > Colors and pick Dark or Light mode. You can also toggle it quickly from the notification panel. It doesn’t require a restart—changes apply instantly.
The above is the detailed content of How to Turn On or Off Dark Mode in Windows 11. For more information, please follow other related articles on the PHP Chinese website!

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