A few desktop applications, including File Explorer and Paint.NET, do respect this setting-but most don’t. And, as we mentioned before, this option doesn’t affect most desktop applications.
However, it’s up to each developer to support Dark Mode, and many do not. The Settings application itself immediately turns dark, as will many other “Universal Windows Platform” applications (those you get from the Windows Store). Scroll down and select the “Dark” option under the “Choose your app mode” section. To enable Dark Mode, head to Settings > Personalization > Colors. Enable Dark Mode for Windows 10 Settings and Apps Here’s how to get your whole desktop (or as much as possible) looking dark. It doesn’t affect most desktop apps, but we’ve got some other solutions for those. Windows offers a setting named Dark Mode that applies a dark theme to apps you get from the Windows Store.