Windows 11 is not based on a single unified UI framework. Instead, it uses a mix of legacy Win32 components, UWP elements, modern WinUI layers, and web-based technologies like WebView2 and React.

I am reading this as MMC snap-ins and control panel. There is no other alternative to manage these settings outside of PowerShell.

Also, what idiot decided that only one settings window is allowed open at one time? Sometimes I would like to be in Windows update, power settings, Ethernet settings, and printer settings all at once.

Also, what idiot decided that only one settings window is allowed open at one time?

Microsoft engineers were worried that people missed the joys of MS-DOS and having only one application running at once. Next up, will be the return of base memory versus expanded memory versus extended memory. This ends when they devolve Windows to prove Bill Gates right that 640kB should be enough memory for anyone.