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The 'worst-selling Microsoft product of all time' sold just 11 times, and eight people returned it — why you've never heard of OS/2 for the Mach 20

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Tom's Hardware

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In the mid-1980s, Microsoft collaborated with IBM on OS/2 as an alternative to Windows and DOS, but it failed to gain market traction. A specific version, OS/2 for Mach 20, became the worst-selling Microsoft product, with only 11 copies sold, eight of which were returned. The product required the esoteric Mach 20 hardware and was not well-understood by most users. Despite its lackluster sales, OS/2 was highly regarded among PC enthusiasts. The article delves into the challenges of selling tech upgrades during a period of rapid technological advancements in the late '80s.

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