I'll help create a Windows 11 desktop simulation interface (DSI) edition using HTML, CSS, and JavaScript. This will be a simplified UI that mimics some Windows 11 elements.

I'll update the simulation to Windows 12 with the rumored UI changes including the floating taskbar and centered start menu.

Here's the updated Windows 12 DSI Edition with floating taskbar, centered start menu, and modern UI elements:

Here's the enhanced Windows 12 DSI Edition with floating taskbar, widgets panel, and improved UI elements: