The Graphical User Interface (GUI) evolved over 60 years from command lines to the WIMP (Windows, Icons, Menus, Pointer) paradigm, with key milestones including Spacewar!, Sketchpad, and the Alto computer. The Alto, developed at Xerox PARC, refined the WIMP elements and introduced overlapping windows, icons, and menus, influencing the industry and leading to the development of the Lisa and ...