This is the fastest way to get a dark interface without installing extra software. It changes the background to black and the text to high-visibility colors. How to enable Windows Key + I and select Change PC settings Ease of Access High contrast Choose a theme like High Contrast Black High Contrast #1 : Simultaneously press Left Alt + Left Shift + Print Screen to toggle it on or off. Method 2: Registry Tweak (For Modern Apps)
Because Microsoft never "finished" the dark theme for 8.1, the community took over. Enthusiasts turned to "Visual Styles"—custom theme files that required patching system files (using tools like UltraUXThemePatcher ) to allow non-official designs. dark theme for windows 81
