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Operating system

Microsoft

Smartphones

Market share held by PC operating systems in the U.S. 2009-2013, by month

Market share held by the leading computer operating systems in the United States from January 2009 to March 2013

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This statistic shows the market share held by the leading PC operating systems in the U.S. since January 2009. In March 2012, Windows 7 had a market share of 44.02 percent.

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<a href="http://www.statista.com/statistics/184328/market-shares-of-operating-systems-in-the-us-since-2009/"><img src="http://www.statista.com/graphic/1/184328/market-shares-of-operating-systems-in-the-us-since-2009.jpg" alt="Market share held by PC operating systems in the U.S. 2009-2013, by month" title="Market share held by PC operating systems in the U.S. 2009-2013, by month" width="660" /></a><br />You will find more statistics at <a href="http://www.statista.com">Statista</a>

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