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Windows 95, 20 July 1992 build
An open encyclopedia of software history
It was originally leaked on 18 September 1992 as a mislabeled Windows for Workgroups 3.1 build, and was later rediscovered and reuploaded on 23 June 2024. This build is relatively similar to contemporary builds of Windows for Workgroups 3.1, although it includes a number of user experience changes such as the new 3D control style, new control panel applets and updated versions of bundled applications. Unlike later builds of Windows 95, it requires a version of MS-DOS to be already installed and does not include any Win32 support.
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