
A visual timeline of UI evolution from the Xerox Alto to today's OSes.

A comprehensive, timeline‑driven article that chronicles the major milestones in user interface design—from the Xerox Alto in 1973 through early GUIs like the Xerox Star, Apple Lisa, Windows 1.0, and up to modern macOS and Linux desktops. Packed with screenshots, key features, and contextual insights, it serves as an educational resource for designers, developers, and UI/UX enthusiasts seeking to understand how interfaces have shaped digital experiences.