KEY POINTS
  • Microsoft Windows has held a commanding lead in PC operating system market for two decades.
  • Some Windows versions, including Windows 8, have not been well received.
  • Enterprises still deploy Windows PCs in bulk, and consumers still gravitate toward it, in part because it's familiar.

In this article

If you own a PC, chances are it's running Windows, the operating system that Microsoft has offered since 1985.

Even with people buying modern Macs with energy-sipping Arm chips, and even with some students and corporate workers picking up Chromebooks during the pandemic, Windows still holds on 83% market share for personal computers, according to technology industry research company Gartner. It's been in the pole position uninterrupted since Gartner kept keeping track in 2000, and probably for at least a decade before that as well.

In this article