Windows 7
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Microsoft Windows version history
Development history of the Microsoft Windows operating system
See List of Microsoft Windows versions for a tabular view of releases and editions.
Microsoft Windows was announced by Bill Gates on November 10, 1983, 2 years before it was first released.[1] Microsoft introduced Windows as a graphical user interface for MS-DOS, which had been introduced two years earlier, on August 12, 1981. The product line evolved in the 1990s from an operating environment into a fully complete, modern operating system over two lines of development, each with their own separate codebase.
The first versions of Windows (1.0 through to 3.11) were graphical shells that ran from MS-DOS. Windows 95, though still being based on MS-DOS, was its own operating system. Windows 95 also had a significant amount of 16-bit code ported from Windows 3.1.[2][3][4] Windows 95 introduced multiple features that have been part of the product ever since, including the Start menu, the taskbar, and Windows Explorer (renamed File Explorer in Win
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Microsoft Windows
Computer operating systems
"Windows" redirects here. For the part of a building, see Window. For other uses, see Windows (disambiguation).
Operating system
Logo used since June 24, 2021 | |||||||||||||||||||||||
| Developer | Microsoft | ||||||||||||||||||||||
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| Initial release | November 20, 1985; 39 years ago (1985-11-20) | ||||||||||||||||||||||
| Latest release | 24H2 (10.0.26100.3194) (February 11, 2025; 5 days ago (2025-02-11)[1]) [±] | ||||||||||||||||||||||
| Latest preview |
24H2 (10.0.26100.3194) (February 11, 2025; 5 days ago (2025-02-11)[2][3]) [±]
24H2 (10.0.26120.3281) (February 14, 2025; 2 days ago (2025-02-14)[4]) [±]
24H2 (10.0.26120.3281) (February 14, 2025; 2 days ago (2025-02-14)[4]) [±]
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| Marketing target | Personal computing | ||||||||||||||||||||||
| Available in | 110
Microsoft Windows historyYear | Event | 1983 | Microsoft Windows was announced November 10, 1983 and sells for $100.00. | 1985 | Microsoft Windows 1.0 is introduced in November, 1985 and is initially sold for $100.00. | 1987 | Microsoft Windows 2.0 was released December 9, 1987 and is initially sold for $100.00. | 1987 | Microsoft Windows/386 or Windows 386 is introduced December 9, 1987 and is initially sold for $100.00. | 1988 | Microsoft Windows/286 or Windows 286 is introduced June, 1988 and is initially sold for $100.00. | 1990 | MicrosoftWindows 3.0 was released May, 22 1990. Microsoft Windows 3.0 full version was priced at $149.95 and the upgrade version was priced at $79.95. | 1991 | Following its decision not to develop operating systems cooperatively with IBM, Microsoft changes the name of OS/2 to Windows NT. | 1991 | MicrosoftWindows 3.0 or Windows 3.0a with multimedia was released October, 1991. | 1992 | MicrosoftWindows 3.1 was released April, 1992 and sells more than 1 Million copies within the first two months of its release. | 1992 | MicrosoftWi
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