The general ethos is a move to a softer, more-rounded theme.
The start button has moved, widgets are making a comeback, and There's a new look for existing windows, and it's revisited its frosted-glass effect for some overlapping panels. Microsoft has always had a tendency to mess with its UI, and for Windows 11, it hasn't held back.
The most obvious changes to Windows 11 are on the user interface (UI) front.