The latest Microsoft operating system may be selling seven copies a second , but it’s no match for the behemoth Windows XP, still the most popular OS in the world despite recent nefarious attempts (we kid) to invoke spontaneous shutdowns , slow hard drives and trigger blue screens . In fact, a Microsoft exec admitted today that practically three-quarters of business computers still run the nine-year-old OS on hardware averaging 4.4 years old, and Computerworld ’s now reporting Microsoft will extend XP’s lifespan through 2020 (you read that right) as a result.

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Microsoft says 74 percent of work PCs still use Windows XP, extends downgrade rights until 2020