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It all began in Plaza Hotel, New York City on the 10th of November 1983. Two Microsoft founders Paul Allen and Bill Gates officially announced their corporation’s first and next-generation graphical user interface operating system – Microsoft Windows.
Despite the criticism on stability and constantly being compared to their rivals Apple Macintosh, Microsoft Windows is still the most widely used operating systems in the world.
Windows 1.01 (1985)
Officially released on November 20, 1985, this 16-bit OS that cost less than 1MB in overall is Microsoft’s very first operating system that allows multi tasking with graphical user interface on PC platform that runs on MS-DOS 5.0.
Windows 1.03 (1986)
Introduced in 1986, Windows 1.03 is an upgrade to its previous predecessor Windows 1.01. Entire operating system cost about 2.2Mb hard disk space.
Windows 2.03 (1987)
Taking advantage of the speed of Intel 286/386 processor at that time, Windows 2.03 is a replacement for Windows 1.x. It also starts the era where users are able to overlap windows, customize screens, etc. Still the entire operating system cost no more than 2.5Mb.
Windows 2.86 (1989)
Windows 3.0 (1990)
This is the third major released of Microsoft Windows with a improved set of Windows icons and applications like File Manager, Program Manager that is still being used in today’s Windows. This 22 May 1990 released operating system is then replaced by Windows 3.1 two years later.
Windows 3.1 (1992)
Windows 3.1 is probably the earliest Windows most of us are familiar with. Windows 3.1 and later Windows 3.1x is an upgrade to Windows 3.0 with bug fixes and multimedia support.
Windows NT 3.1 (1993)
The first Windows New Technology (NT) introduced. It maintains consistency with the Windows 3.1, a well-established home and business operating system at the time, the new Windows NT operating system began with version 3.1. Unlike Windows 3.1, however, Windows NT 3.1 was a 32-bit operating system.