Chapter 1. Windows Version History

A Brief History of PC Operating Systems

Microsoft Windows has evolved considerably since it was first introduced in 1985. As is typical for evolutionary processes, its progress has been uneven and not always in the forward direction (Windows Me comes to mind). Still, despite the occasional misstep and an antitrust suit or two along the way, Windows today is mostly reliable, reasonably easy to use, and completely ubiquitous.

To give you a picture of where we are now, today’s typical computer owner has a machine that scarcely 15 years ago would have been near the top of the list of the world’s most powerful computers. And while the original PCs were able to fit an operating system, application software, and user ...

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