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MacOS Drops to Third Most Popular Desktop OS

Chrome OS is now second, but it grabbed market share from Microsoft, not Apple.

 & Matthew Humphries Former Senior Editor

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2020 was a very unusual year for everyone, and it brought with it a big shift in the desktop operating system market.

Windows has always had a commanding lead with macOS coming in a distant second. However, as GeekWire reports, the latest IDC report reveals that last year the market changed and a surge from Google's Chrome OS has moved it into second place, pushing macOS down to third. You may think that signals bad news for Apple, but actually it's Microsoft who suffered.

The figures reveal that macOS use increased from a 6.7% market share in 2019 to 7.5% last year. Windows suffered a steep drop, falling from 85.4% in 2019 to 80.5% in 2020. But it's Chrome OS that's the big winner, jumping from 6.4% in 2019 to 10.8% last year, handing it a clear second place in the charts.

2020 was the biggest year for PC demand in a decade, and for good reason. Millions of people were told to stay at home, but they still needed to work, be entertained, and children still needed to learn, so we all bought computers. With that in mind, it's impossible to predict if this Chrome OS surge was simply due to a combination of so many people needing a laptop, short supply, and cost, or if macOS will become a permanent third place desktop operating system now.

Microsoft clearly realizes Chrome OS is a threat to its market share and is responding. Windows 10X is in development as a viable competitor to Google's operating system. It was meant to appear on devices last year, but likely due to the pandemic it never appeared. We shouldn't be surprised if laptops and tablets running 10X appear this year, though.

About Our Expert

Matthew Humphries

Matthew Humphries

Former Senior Editor

My Experience

I started working at PCMag in November 2016, covering all areas of technology and video game news. Before that I spent nearly 15 years working at Geek.com as a writer and editor. I also spent the first six years after leaving university as a professional game designer working with Disney, Games Workshop, 20th Century Fox, and Vivendi.

I hold two degrees: a Bachelor's degree in Computer Science and a Master's degree in Games Development. My first book, Make Your Own Pixel Art, is available from all good book shops.

My Areas of Expertise

  • PC components and system building
  • Raspberry Pi
  • Software development
  • Storage technology
  • Video games and gaming hardware

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