This seventh episode explores the origins of the Graphical User Interface (GUI) —
a concept that forever changed how we interact with computers.
From Xerox PARC’s experimental Alto to Apple’s bold but short-lived Lisa, these pioneering systems introduced the mouse, windows, icons, and menus — concepts that now define modern computing.
1. Xerox Alto – The Birth of the Graphical Desktop
In 1973, Xerox PARC developed the Alto — widely regarded as the first computer with a true GUI:
- Mouse as the primary input device
- Windows with text and graphics, desktop metaphor
- Icons representing files and applications
- Graphical printing and Ethernet networking
Although never released commercially, the Alto was used in research labs and universities —
and it was here that core GUI ideas were born.
Xerox Alto, Author: Joho345 – Own work, Public Domain
2. Xerox Star – The First Commercial GUI System
In 1981, Xerox released the Xerox 8010 Star — the first commercially available computer with a full GUI.
- Icons, windows, folders, context menus
- “Desktop metaphor” with documents shown as pages on a screen
- Integrated networking, printing, and file servers
Despite its groundbreaking interface, Star was very expensive and mainly used in corporate settings — it never became a commercial hit.
Still, its GUI design influenced everything from Macintosh to Windows, AmigaOS, GEM, and Atari TOS.

Xerox Star, Author: vonguard, licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license
3. Apple Lisa – The First Mouse-Included Computer
In 1983, Apple introduced the Lisa — a GUI-based computer inspired by the Alto and Star, but built for everyday productivity.
- Mouse, windows, icons, menus — and the first double-click!
- Cooperative multitasking
- Graphical and text content displayed in the same window
- Bundled with LisaWrite, LisaDraw, and other early “apps”
Lisa was highly innovative but extremely expensive ($9,995).
It sold only a few thousand units — yet paved the way for the Macintosh, which was simpler, cheaper, and mass-market.

Apple Lisa, Author: stiefkind, Creative Commons Zero, Public Domain Dedication
4. The Revolution of Mice, Windows, and Icons
The GUI concept — from Xerox Alto and Star — was adopted first by Apple, then by Microsoft, and soon the entire computing industry.
The mouse, window, icon, and contextual menu are obvious now — but in the early 1980s, they were shocking, and posed serious challenges for developers.
Xerox PARC → Lisa → Macintosh → Windows → The modern IT world
5. Legacy of the GUI Pioneers
Without Alto, Star, and Lisa, we wouldn’t have the interface that made computing accessible to non-tech users.
- Pioneering mouse, windows, and menus — now standard across all systems
- Computers became user-friendly, replacing scary terminals and punch cards
- GUIs enabled entire industries: office software, graphic design, education, games, and networked computing

