Desktop market share for May 2012[1]
|
Total Windows - 88.37%
|
Windows 7 - 48.93%
|
Windows XP - 31.06%
|
Windows Vista - 8.38%
|
Non-Windows - 11.63%
|
DOS-based (MS-DOS/9x-based)
Name
|
Release date
|
RTM Build
|
Current version
|
Status support
|
Source model/ License Type
|
Codename
|
MS-DOS version
|
Kernel type
|
Architecture
|
Editions
|
Type
|
Notes
|
Windows 1.0
|
1985-11-20
|
?
|
1.04 (1987-04-08)
|
Unsupported
(2001-12-31)
|
Closed source/
Microsoft EULA
|
|
?
|
?
|
16-bit
|
|
Desktop
|
First version of Windows
|
Windows 2.0
|
1987-12-09
|
?
|
2.03 (1987-12-09)
|
Unsupported
(2001-12-31)
|
Closed source/
Microsoft EULA
|
|
?
|
?
|
16-bit
|
|
Desktop
|
|
Windows 2.1x
|
1988-05-27
|
?
|
2.11 (1989-03-13)
|
Unsupported
(2001-12-31)
|
Closed source/
Microsoft EULA
|
|
?
|
?
|
16-bit
|
|
Desktop
|
|
Windows 3.0
|
1990-05-22
|
?
|
3.0a
Multimedia Extensions
(1991-10-20)
|
Unsupported
(2001-12-31)
|
Closed source/
Microsoft EULA
|
|
DOS 3.1 or higher (not included)
|
?
|
16-bit
|
Windows 3.0, Windows 3.0a, Windows 3.0a with Multimedia Extensions
|
Desktop
|
|
Windows 3.1x
|
1992-04-06
|
040
|
3.11 (1993-12-31)
|
Unsupported
(2001-12-31)
|
Closed source/
Microsoft EULA
|
3.1: Janus; for Workgroups: Kato, Sparta; 3.11: Snowball (LB)
|
DOS 3.3 or higher (not included)
|
?
|
16-bit (partial 32-bit compatibility with Win32s)
|
Windows 3.1, Windows for Workgroups 3.1, Windows 3.11, Windows for Workgroups 3.11, Windows 3.2 (simplified Chinese only)
|
Desktop
|
Version number: 3.1.040
|
Windows 95
|
1995-08-24
|
950
|
4.00.950C OSR2.5 (1997-11-26)
|
Unsupported
(2001-12-31)
|
Closed source/
Microsoft EULA
|
Chicago
|
MS-DOS 7.0, MS-DOS 7.1 (OSR2.x)
|
Monolithic kernel
|
Hybrid 16/32-bit
|
Retail, OSR1, OSR2, OSR2.1, OSR2.5
|
Desktop
|
Version number: 4.00.950
|
Windows 98
|
1998-06-25
|
1998
|
4.10.2222A (1999-04-23)
|
Unsupported
(2006-07-11)
|
Closed source/
Microsoft EULA
|
Memphis
|
MS-DOS 7.1
|
Monolithic kernel
|
Hybrid 16/32-bit
|
First edition, Second Edition
|
Desktop
|
Version number: 4.10.1998 (Security Version 4.10.1998A)
|
Windows Me
|
2000-06-19
|
3000
|
4.90.3000 (2000-09-14)
|
Unsupported
(2006-07-11)
|
Closed source/
Microsoft EULA
|
Millennium
|
MS-DOS 8.0
|
Monolithic kernel
|
Hybrid 16/32-bit
|
|
Desktop
|
Version number: 4.90.3000 (Security Version 4.90.3000A)
|
NT Kernel-based
Name
|
Release date
|
RTM Build
|
Current version
|
Status support
|
License/Source model
|
Codename, working name
|
Based on (kernel)
|
Supported architectures
|
Editions
|
OS type
|
Windows NT 3.1
|
1993-07-27
|
528
|
3.10.528 SP3
(1994-11-10)
|
Unsupported
(2001-12-31)
|
Closed source/
Microsoft EULA
|
?
|
NT 3.1
|
x86-32, DEC Alpha, MIPS
|
Workstation,
Advanced Server
|
Workstation,
Server
|
Windows NT 3.5
|
1994-09-21
|
807
|
3.50.807 SP3
(1995-06-21)
|
Unsupported
(2001-12-31)
|
Closed source/
Microsoft EULA
|
Daytona
|
NT 3.5
|
x86-32, DEC Alpha, MIPS
|
Workstation,
Server
|
Workstation,
Server
|
Windows NT 3.51
|
1995-05-30
|
1057
|
3.51.1057 SP5
(1996-09-19)
|
Unsupported
(2001-12-31)
|
Closed source/
Microsoft EULA
|
?
|
NT 3.51
|
x86-32, DEC Alpha, MIPS, PowerPC
|
Workstation,
Server
|
Workstation,
Server
|
Windows NT 4.0
|
1996-08-24
|
1381
|
4.00.1381 SP6a
(1999-11-30)
|
Unsupported
(2004-12-31)
|
Closed source/
Microsoft EULA
|
Cairo
Hydra (Terminal Server)
|
NT 4.0
|
x86-32, DEC Alpha, MIPS, PowerPC
|
Workstation,
Server,
Server Enterprise Edition,
Terminal Server,
Embedded
|
Workstation,
Server,
Embedded PCs
|
Windows 2000
|
2000-02-17
|
2195
|
5.0 SP4 Rollup 1 v2
(2005-09-13)
|
Unsupported
(2010-07-13)
|
Shared source/
Microsoft EULA
|
Memphis NT
|
NT 5.0
|
x86-32, IA-64
|
Professional,
Server,
Advanced Server,
Datacenter Server,
Powered (Embedded)
|
Desktop,
Workstation,
Server,
Embedded PCs
|
Windows XP
|
2001-10-25
|
2600
|
5.1.2600 SP3
(2008-04-21)
|
Extended Support Period
(2014-04-08)
|
Shared source/
Microsoft EULA
|
Whistler
|
NT 5.1; NT 5.2
(64-bit 2003 and x64)
|
x86-32, IA-64, x86-64
|
Starter Edition,
Home,
Professional,
Media Center,
Tablet PC,
Starter,
Embedded,
Home N,
Home K,
Home KN,
Professional N,
Professional K,
Professional KN,
Professional x64
|
Desktop,
Workstation,
Embedded PCs
|
Windows Server 2003
|
2003-04-24
|
3790
|
5.2.3790 SP2
(2007-03-13)
|
Supported
|
Shared source/
Microsoft EULA
|
Whistler Server, Windows .NET Server
|
NT 5.2
|
x86-32, IA-64, x86-64
|
Standard,
Enterprise,
Datacenter,
Web,
Storage,
Small Business Server,
Compute Cluster
|
Server,
Network Appliance,
Embedded PCs,
HPC
|
Windows Fundamentals for Legacy PCs
|
2006-07-08
|
2600
|
RTM
(2006-07-08)
|
Supported
|
Shared source/
Microsoft EULA
|
Eiger, Monch
|
NT 5.1
|
x86-32
|
Fundamentals for Legacy PCs
|
Desktop
|
Windows Vista
|
2006-11-08
|
6000 (SP2: 6002)
|
6.0 SP2
(2009-04-28)
|
Supported
|
Closed source,
Shared source/
Microsoft EULA
|
Longhorn
|
NT 6.0
|
x86-32, x86-64
|
Starter,
Home Basic,Home Basic N,
Home Basic K,
Home Basic KN,
Home Premium,
Home Premium K,
Home Premium KN,
Business,
Business N,
Business K,
Business KN,
Enterprise,
Enterprise K,
Enterprise KN,
Ultimate,
Ultimate K,
Ultimate KN
|
Desktop,
Workstation
|
Windows Server 2008
|
2008-02-27
|
6001 (SP2: 6002)
|
6.0 SP2
(2008-02-27)
|
Supported
|
Closed source,
Shared source/
Microsoft EULA
|
Longhorn Server
|
NT 6.0
|
x86-32, IA-64, x86-64
|
Web,
Standard,
Enterprise,
Small Business Server,
Datacenter,
Web Core,
Standard Core,
Enterprise Core,
Datacenter Core,
Standard without HyperV,
Enterprise without HyperV,
Datacenter without HyperV,
Standard Core without HyperV,
Enterprise Core without HyperV,
Datacenter Core without HyperV,
HPC,
HyperV Core,
Foundation,
Storage
|
Server
|
Windows Home Server
|
2007-06-16
|
3790
|
5.2
|
Supported
|
Closed source/
Microsoft EULA
|
Q, Quattro
|
NT 5.2
|
x86-32, x86-64
|
Home Server
|
Server
|
Windows 7
|
2009-10-22[2]
|
7600 (SP1: 7601)
|
6.1
|
Supported
|
Closed source,
Shared source/
Microsoft EULA
|
"7", Vienna
|
NT 6.1
|
x86-32, x86-64
|
Starter,
Home Basic,
Home Premium,
Professional,
Ultimate,
Enterprise,
Starter N,
Home Basic N,
Home Premium N,
Professional N,
Ultimate N,
Enterprise N,
Starter K,
Home Basic K,
Home Premium K,
Professional K,
Ultimate K,
Enterprise K,
Starter KN,
Home Basic KN,
Home Premium KN,
Professional KN,
Ultimate KN,
Enterprise KN,
Starter E,
Home Basic E,
Home Premium E,
Professional E,
Ultimate E,
Enterprise E
|
Desktop, Workstation, Multi-Touch
|
Windows Server 2008 R2
|
2009-10-22
|
7600 (SP1: 7601)
|
6.1
|
Supported
|
Closed source,
Shared source/
Microsoft EULA
|
"7" Server
|
NT 6.1
|
IA-64, x86-64
|
Standard,
Enterprise,
Datacenter,
Web,
Standard Core,
Enterprise Core,
Datacenter Core,
Web Core
|
Server
|
Windows Home Server 2011
|
2011-04-05
|
8400
|
6.1
|
Supported
|
Closed source/
Microsoft EULA
|
Vail
|
NT 6.1
|
x86-64
|
Home Server
|
Server
|
Windows 8
|
2012-10-26
|
9200
|
6.2
|
Supported
|
?
|
?
|
NT 6.2
|
x86-32, x86-64, ARM_Architecture
|
Windows 8,
Windows 8 Pro,
Windows 8 Enterprise,
Windows RT,
Windows 8 N,
Windows 8 Pro N,
Windows 8 Enterprise N
|
Desktop,
Workstation,
Multitouch
|
CE-based
Windows CE (sometimes abbreviated WinCE) is a variation of Microsoft's Windows operating system for minimalistic computers and embedded systems. Windows CE is a distinctly different kernel, rather than a trimmed-down version of desktop Windows. It is supported on Intel x86 and compatibles, MIPS, ARM, and Hitachi SuperH processors.
|
Release date
|
RTM Build
|
Current version
|
Status support
|
License/Source model
|
Codename
|
Based on (kernel)
|
Kernel type
|
Operating environments
|
Editions
|
Purpose
|
Short description
|
Windows CE 1.0
|
November 1996
|
|
|
|
|
Pegasus, Alder
|
CE 1.0
|
|
|
|
Embedded
|
first release of Microsoft's Windows CE line for minimalistic computers and embedded systems
|
Windows CE 2.0
|
November 1997
|
|
|
|
|
Mercury, Apollo
|
CE 2.0
|
|
|
2.1, 2.11
|
Embedded
|
|
Windows CE 3.0
|
April 2000
|
|
|
Unsupported
(10/9/2007)
|
Shared source/ Microsoft EULA
|
Cedar, Galileo, Rapier, Merlin, Stinger
|
CE 3.0
|
Embedded kernel
|
|
|
Embedded
|
|
Windows Pocket PC 2002
|
|
|
|
|
|
|
CE 3.0
|
|
|
|
|
|
Windows CE 4.0
|
7 January 2002
|
|
|
|
|
Talisker
|
CE 4.0
|
|
|
4.1, 4.2
|
Embedded
|
|
Windows Mobile 2003
|
23 June 2003
|
|
|
|
|
Ozone
|
CE 4.20
|
|
|
|
|
|
Windows CE 5.0
|
9 July 2004
|
|
5.0 (9 July 2004)
|
Supported
|
Shared source/ Microsoft EULA
|
Macallan
|
CE 5.0
|
Embedded kernel
|
|
|
Embedded
|
|
Windows Mobile 5.0
|
9–12 May 2005
|
|
|
|
|
Magneto
|
CE 5.0
|
|
|
|
|
|
Windows Embedded CE 6.0
|
1 November 2006
|
|
|
|
Shared source/ Microsoft EULA
|
Yamazaki
|
CE 6.0
|
Hybrid kernel
|
|
|
|
|
Windows Mobile 6.0
|
12 February 2007
|
|
|
|
|
Crossbow
|
CE 5.2
|
|
|
|
|
|
Windows Mobile 6.1
|
1 April 2008
|
|
|
|
|
|
|
|
|
|
|
various performance enhancements, a redesigned Home screen, threaded SMS, full page zooming in IE and Domain Enroll
|
Windows Mobile 6.5
|
May 18, 2009
|
|
|
|
|
|
|
|
|
|
|
minor upgrade to the existing Windows Mobile platform
|
Windows Phone 7
|
November 8, 2010
|
|
|
|
|
Photon
|
CE 6.0
|
|
|
|
|
major update to the platform, merging Smartphone and Pocket PC.
|
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