Microsoft's Windows was the leading computer operating system in the United States as of January 2025, with a market share of roughly 63 percent. Apple's macOS commanded a market share of over 21 percent, a decline compared to the previous year.
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Everything on "Apple in the U.S." in one document: edited and divided into chapters, including detailed references.
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Overview
Segment: Computer OS
Segment: Tablet & Mobile OS
Other platforms
Consumption
Further related statistics
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