For Windows 81 - Dark Theme

Shortcut : Press to quickly toggle high contrast on/off. Option 2: Third-Party Visual Styles (Sleeker Look)

Windows 8.1 File Explorer does not support custom background colors without third-party tools. Workaround: (by Tihiy) – can force dark listview backgrounds. dark theme for windows 81

A dark UI provides a professional, "pro-user" look that hides cluttered desktop elements. Safety Tips for Customizing Shortcut : Press to quickly toggle high contrast on/off