This is the fastest, safest, and most stable way to get a dark interface without installing external software. It changes the background of most windows, file directories, and settings pages to black. How to Enable It Press the to open the Settings sidebar. Click on Change PC settings at the bottom. Select Ease of Access from the left menu. Click on High Contrast .
If you want a dark theme without installing third-party software, Windows 8.1 includes a built-in accessibility feature called High Contrast mode. While it is designed for visual assistance, it can be customized to serve as a functional dark mode. How to Enable High Contrast Dark Mode dark theme for windows 81
Select the darkest color available (usually black or charcoal). This is the fastest, safest, and most stable