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A free extension for Microsoft Windows, released by Microsoft. Win32s is a software layer on top of Windows which allows 32-bit applications (e.g. Mosaic) to run on Windows. Both stand-alone Windows and Windows for Workgroups run as 16 bit, and both can use Win32s to run 32-bit applications.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
Win32(1) A 32-bit version of Windows. Many editions of Windows have come in both 32-bit and 64-bit versions. See 32-bit computing and x86/x64.
(2) Win32 is the programming interface (API) for 32-bit and 64-bit Windows operating systems. Starting with Windows 95, developers write applications that call the routines in the Win32 API. See WinRT and UWP.
API Supports Windows UWP Win 10, Xbox, Surface Hub Hololens WinRT Win 8, Win RT Win32 95/98, NT, 2000, XP, 7, 8 and 10 Win32c 95 Win32s 95, 3.1 Win16 3.0, 3.1
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