Dark mode in Windows 11 switches Settings, File Explorer, the taskbar and many apps to dark colors. It takes one setting, and you can also mix modes, for example a dark taskbar with light apps.
Quick Answer
Open Settings, Personalization, Colors and set Choose your mode to Dark.
How to Turn On Dark Mode in Windows 11
- Press Windows key + I to open Settings.
- Click Personalization, then Colors.
- Next to Choose your mode, select Dark.
- For a mix, choose Custom and set Windows mode and app mode separately.
- Optional: pick an accent color to match.
Mode Options
| Mode | Effect |
|---|---|
| Light | Light Windows and apps |
| Dark | Dark Windows and apps |
| Custom | Choose separately for Windows and apps |
| Contrast themes | High-contrast accessibility colors (not the same as dark mode) |
See also how to make the taskbar transparent in Windows 11.
Troubleshooting
- Some apps stay light: they have their own theme setting. Check each app’s settings.
- Parts of Windows look light: some older dialogs, such as Control Panel, are not fully dark yet.
- Setting greyed out: Windows is not activated or a work policy controls it.
- Related: changing taskbar color and customizing the Windows 11 look.
Frequently Asked Questions
Does dark mode save battery?
On OLED screens it can. On most LCD laptops the difference is small.
Can dark mode turn on automatically at night?
Not built in. Night light warms colors on a schedule instead.
Does it affect websites?
Browsers can follow the Windows mode, but each site decides.
How do I go back?
Choose Light.
Summary
- Open Settings.
- Go to Personalization, Colors.
- Choose Dark.
- Use Custom to mix modes.
- Adjust accent color.
Kermit Matthews is a freelance writer based in Philadelphia, Pennsylvania with more than a decade of experience writing technology guides. He has a Bachelor’s and Master’s degree in Computer Science and has spent much of his professional career in IT management.
He specializes in writing content about iPhones, Android devices, Microsoft Office, and many other popular applications and devices.