Let’s address the elephant in the room. Microsoft officially discontinued active development of Windows Media Player after version 12. While the app receives security updates, it has not seen a feature update in nearly a decade. This means that for a dark theme.
If you must have the classic library in dark mode, you can use Windows settings, though this affects all apps on your computer. Go to Settings > Accessibility > Contrast Themes . Select a dark theme like Aquatic or Dusk . Windows Media Player Legacy - Microsoft Support windows media player 12 dark theme
Once you are in the Skin Chooser, you will see a list of native Microsoft skins. Here are the two best options for a "Dark Theme" experience: Let’s address the elephant in the room
For Windows 10 and 11 users, the newer app (which replaces Groove Music) does support a native dark theme. This means that for a dark theme