Happy halloween!
Welcome to the Operating System Archive.
This site contains information and archive links for operating systems from the early days of personal computing through later systems.
NOTICE:
Some systems listed here are historical software. Availability, licensing and download status may vary.
Some systems listed here are historical software. Availability, licensing and download status may vary.
Latest additions
System Information
Operating systems indexed: 00050+
Last archive update: 1995-era style database
Linux
Linux began in 1991 and became one of the most important Unix-like operating systems in computer history.
Microsoft Windows
A collection of archive searches covering historical Windows releases.
DOS
dos is dos
UNIX
Historical Unix systems and related operating systems.