Microsoft claims Windows 10 is its fastest-growing OS, ever

Microsoft says that it sold out of the Lumia 950 and 950XL, and that the Surface Book will be sold in more markets worldwide.
  • Windows
  • Microsoft
  • Small and Medium Business
  • Surface Book
  • Windows 10
As PCWorld's senior editor, Mark focuses on Microsoft news and chip technology, among other beats. He has formerly written for PCMag, BYTE, Slashdot, eWEEK, and ReadWrite.

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