This is a list of Microsoft written and published operating systems. For the

codename A code name, codename, call sign, or cryptonym is a code word or name used, sometimes clandestinely, to refer to another name, word, project, or person. Code names are often used for military purposes, or in espionage. They may also be used in ...

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Microsoft Microsoft Corporation is an American multinational corporation and technology company, technology conglomerate headquartered in Redmond, Washington. Founded in 1975, the company became influential in the History of personal computers#The ear ...

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operating system An operating system (OS) is system software that manages computer hardware and software resources, and provides common daemon (computing), services for computer programs. Time-sharing operating systems scheduler (computing), schedule tasks for ...

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Microsoft codenames Microsoft codenames are given by Microsoft Microsoft Corporation is an American multinational corporation and technology company, technology conglomerate headquartered in Redmond, Washington. Founded in 1975, the company became influential ...

. For another list of versions of Microsoft Windows, see, List of Microsoft Windows versions.

MS-DOS

* See MS-DOS Versions for a full list.

Windows

Windows 1.0 until 11

Windows 10/11 and Windows Server 2016/2019/2022

Windows Mobile

* Windows Mobile 2003 * Windows Mobile 2003 SE * Windows Mobile 5 * Windows Mobile 6

Windows Phone

Xbox Xbox is a video gaming brand that consists of four main home video game console lines, as well as application software, applications (games), the streaming media, streaming service Xbox Cloud Gaming, and online services such as the Xbox networ ...
gaming

* Xbox system software * Xbox 360 system software * Xbox One and Xbox Series X/S system software

OS/2

Unix and Unix-like

Xenix Xenix is a discontinued Unix operating system for various microcomputer platforms, licensed by Microsoft from AT&T Corporation. The first version was released in 1980, and Xenix was the most common Unix variant during the mid- to late-1980s. T ...

* Nokia X platform * Microsoft Linux distributions * Azure Sphere * SONiC * Windows Subsystem for Linux * Azure Sphere OS * Azure Linux

Other operating systems

* MS-Net * LAN Manager *

MIDAS Midas (; ) was a king of Phrygia with whom many myths became associated, as well as two later members of the Phrygian royal house. His father was Gordias, and his mother was Cybele. The most famous King Midas is popularly remembered in Greek m ...

* Singularity ** Midori * Zune * KIN OS * Nokia Asha platform * Barrelfish

Time line

External links

Concise Microsoft O.S. Timeline
by Bravo Technology Center {{Microsoft operating systems Micro *

Operating systems An operating system (OS) is system software that manages computer hardware and software resources, and provides common daemon (computing), services for computer programs. Time-sharing operating systems scheduler (computing), schedule tasks for ...