Implementing a dark theme for Windows 8.1 is not without its challenges:

Before installing custom patches, you can get a partial dark theme using Windows 8.1's built-in personalization options. 1. Set High Contrast Theme Right-click on your desktop and select . Scroll down to the High Contrast Themes section. Select High Contrast Black .

Low light levels help prevent digital eye fatigue during late-night sessions.

You can manually edit the registry to change the default appearance mode for some modern (Store) apps and parts of the Windows shell.