Press Win + I .
Advanced users can use community-made tools to "patch" Windows 10 to support custom themes that include a dark Task Manager. how to make task manager dark mode windows 10
| Method | Works? | Side effect | |--------|--------|--------------| | System-wide Dark Mode (Settings → Colors → Dark) | ✅ Yes | Makes most UWP apps and some system dialogs dark | | High Contrast theme | ✅ Yes | Changes entire Windows UI dramatically | | Separate Task Manager setting | ❌ No | Not available in Windows 10 | Press Win + I