File Explorer's dark themeįirst thing you may want to know is how you enable the new dark mode in File Explorer. The implementation was technical challenging as File Explorer uses legacy user interface frameworks that can't take advantage of dark mode APIs that UWP apps have access to. One of the top user requests of Windows Insiders was to add a dark theme to File Explorer. Windows 10 version 1809 features an option to turn on dark theme support for File Explorer which changes the default light theme to a dark one.ĭark Mode has been available in Windows 10 for a while but enabling the mode did not apply to File Explorer.