Dark Mode : Switch to dark reading for night & day browsing. More than dark theme style, it ensures optimal eye protection. This comprehensive guide explores everything you need to know about Windows 11 Dark Mode —from understanding what it is, how to enable it, to how to force it across various applications, and troubleshooting common issues. Windows will instantly switch to dark mode , transforming the Start menu, taskbar, File Explorer, Settings app, and other system elements to use darker colors. Expert Tip: The dark mode setting applies immediately without requiring a system restart, but some third-party applications may need to be relaunched to reflect the theme change. Learn how to use Dark mode in Windows 11 for aesthetic, eye, and battery reasons. Find out how to schedule Dark mode to turn on and off at specific times or locations.