Spend all day in front of a screen and your eyes start to feel it by late afternoon? Windows 11’s dark mode swaps out those bright white backgrounds for darker tones that are much easier on the eyes once the light starts to fade. It’s one of the simplest settings to turn on, yet plenty of people either don’t know it exists or aren’t sure where to find it.

Whether you’re working from home in Trois-Rivieres or from an office somewhere in the Mauricie region, this small change improves visual comfort and can even give your laptop’s battery a slight boost. Here’s how to turn on dark mode in Windows 11, step by step, and how to extend it to your everyday apps.

1. Why turn on dark mode in Windows 11

Dark mode isn’t just about looks. When you’re working long hours, or late into the evening, an all-white screen tires your eyes more than a darker one. Many people also find it more comfortable in a dimly lit room.

Here are the concrete benefits you’ll notice once you turn on dark mode in Windows 11:

• Less eye strain in a dark room or in the evening, since the screen gives off less bright light.
• More comfort for people sensitive to brightness or prone to headaches from screen glare.
• A small battery boost on laptops and tablets with OLED screens, where black pixels use less power.
• A consistent look across Windows, your apps, and your browser, once the setting is applied everywhere.

2. Turning on dark mode in a few clicks

The official method is through Windows Settings. It’s quick, about two minutes tops. Just follow these steps:

1. Press Windows + i to open Settings (or click the Start menu, then the gear icon).
2. In the left column, click Personalization.
3. Then click Colors.
4. Near the top, find the Choose your mode line and select Dark from the dropdown menu.

The desktop, Start menu, taskbar, and Settings window all switch to dark right away. If you don’t like the effect, just go back to the same spot and pick Light to undo it. Nothing here is permanent, you can switch back and forth as often as you like.

3. Customize it: dark Windows, light apps (or the other way around)

Windows 11 lets you set the system theme and the app theme separately. That’s handy if you like a dark taskbar but prefer your documents on a light background, or vice versa.

Instead of picking Dark or Light under Choose your mode, select Custom. Two new options will appear:

• Choose your default Windows mode: affects the Start menu, taskbar, and notification center.
• Choose your default app mode: affects apps like File Explorer, Settings, or Calculator.

A lot of people set Windows to dark and apps to light while they get used to it. You’ll quickly find the combination that works for you. This same page also lets you turn on an accent color to personalize the display even further.

Many people set Windows to dark and their apps to light while they get used to it, then adjust from there. You’ll quickly land on the combination that suits you. This same page also lets you turn on an accent color to personalize the display even further.

4. Making dark mode switch automatically

As of now, Windows 11 doesn’t offer a built-in timer to switch between light and dark mode based on the time of day. Still, you have two useful options.

The first is Night light. It doesn’t darken the screen, but it reduces blue light in the evening, which pairs nicely with dark mode. You’ll find it under Settings, then System, then Display, and you can schedule it from sunset to sunrise.

The second option, for a real automatic theme switch based on the time, involves a well known third party tool. Before installing anything like that on a business computer, check with your IT team first, since every piece of added software is one more thing to keep an eye on. If you manage several computers, our managed IT services let you standardize this kind of setting across your whole fleet without having to touch every machine by hand.

5. Dark mode in your everyday apps

Turning on dark mode in Windows 11 doesn’t automatically change every app you use. Some follow the system theme, others need their own separate setting. Here are the most common ones:

• Microsoft Edge: open the browser settings, go to Appearance, and choose Dark or System.
• Office (Word, Excel, Outlook): under File, then Account or Options, choose Black or Dark Gray under Office Theme.
• Outlook on the web: turn on dark mode in the display settings of the web mail client.
• File Explorer: it follows the app mode you set in step 3.

Once these settings are in place, your whole work environment becomes consistent, from the desktop right down to your emails. That steady visual comfort is what makes the difference over a long day.

6. Dark mode across a small business

On a single computer, this setting takes two minutes. Across ten, twenty, or fifty machines, doing it by hand quickly turns into a chore, and every employee ends up with a slightly different setup. For a Mauricie small business that wants a consistent fleet, it’s worth centralizing these preferences instead.

With the right remote management setup, a preset can be pushed to every device at once, then kept in place over time, even as new computers get added. This is exactly the kind of small optimization we set up for our clients, on top of security and backups. If you’d like to talk it through, our team is easy to reach.

Frequently asked questions

Does Windows 11 dark mode damage the screen?

No, quite the opposite. On OLED screens, displaying black actually wears the pixels less than white does. On standard LCD screens, the effect on lifespan is neutral. You can use it without any worry.

Why do some apps stay white even in dark mode?

Because they don’t automatically follow the Windows theme. You need to turn on dark mode in their own settings, as with Edge or Office. Older software sometimes doesn’t offer a dark option at all.

Does dark mode really save battery?

Yes, but mostly on devices with OLED screens, where black pixels are actually turned off. On a laptop with a standard LCD screen, the gain is very small. The real benefit remains the comfort for your eyes.

Need a hand with your computers in Trois-Rivieres?

Dark mode is just one small example of the settings that make everyday work more pleasant. To go further and keep your whole IT fleet running smoothly, OKTO Solutions supports small and medium businesses across Trois-Rivieres and the Mauricie region. Check out our managed IT services or reach out directly through our contact page, we’d be happy to help.