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Operating systems market share of desktop PCs 2013-2020, by month

Microsoft Windows became and stayed a dominating presence in the desktop operating system market since it’s debut in 1985. Despite slight loss in market share in recent years, Windows operating system remains the frontrunner with a towering share of 77.74 percent, with Apple’s macOS trailing as a distant second.  

Different Windows versions 

    Since the release of Windows 1.0 in 1985, the operating system has undergone many changes and updates. Major versions include Windows XP, Windows Vista, Windows 7 and the most recent Windows 10, which after its release in 2014 has become the most popular Windows operating system on desktop PCs. There is also the Windows Server family for server computers and a specialized version of Windows that runs on the Xbox One video game console.

Mobile operating system

    Despite its preeminence in the desktop operating system market, Windows’ presence in the mobile operating system market is far from satisfying. Google’s Android system is the leader in this market and Windows’ share stood at a mere 0.13 percent as of December 2019. Due to the popularity of smartphones over desktops, Android also comes out as the winner in the overall operating system market.

Global market share held by operating systems for desktop PCs, from January 2013 to July 2020

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Release date

August 2020



Survey time period

2013 to 2020

Supplementary notes

* 'Other' operating systems have included Android, iOS, and PlayStation operating systems.

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Statistics on "Operating systems"

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