Windows 3.1x
| A version of the Microsoft Windows operating system | |
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Screenshot of Windows for Workgroups 3.11
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| Developer | Microsoft |
|---|---|
| Source model | Closed source |
| Released to manufacturing |
April 6, 1992 |
| Latest release | 3.11 / December 31, 1993 |
| License | Commercial software |
| Preceded by | Windows 3.0 (1990) |
| Succeeded by | Windows 95 (1995) |
| Support status | |
| Unsupported as of December 31, 2001 | |
Windows 3.1x (codenamed Janus) is a series of 16-bit operating environments produced by Microsoft for use on personal computers. The series began with Windows 3.1, which was first sold during April 1992 as a successor to Windows 3.0. Subsequent versions were released between 1992 and 1994 until the series was superseded by Windows 95. During its lifespan, Windows 3.1 introduced several enhancements to the still MS-DOS-based platform, including improved system stability, expanded support for multimedia, TrueType fonts, and workgroup networking.
Windows 3.1 was originally released on April 6, 1992; official support for Windows 3.1 ended on December 31, 2001, and OEM licensing for Windows for Workgroups 3.11 on embedded systems continued to be available until November 1, 2008.
Windows 3.1 (originally codenamed Janus), released on April 6, 1992, introduced a TrueType font system (and a set of highly legible fonts), which effectively made Windows a viable desktop publishing platform for the first time. Similar functionality was available for Windows 3.0 through Adobe Type Manager (ATM) font system from Adobe.
Windows 3.1 was designed to have backward compatibility with older Windows platforms. As with Windows 3.0, version 3.1 had File Manager and Program Manager, but unlike all previous versions, Windows 3.1 cannot run in real mode. It included Minesweeper as a replacement for Reversi (though Reversi was still included in some copies).
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