Microsoft says 14 million computers now running Windows 10

FILE - In this April 29, 2015 file photo, a Dell laptop computer running Windows 10 is on display at the Microsoft Build conference in San Francisco. Microsoft’s new Windows 10 operating system debuts Wednesday, July 29, 2015, as the longtime leader in PC software struggles to carve out a new role in a world where people increasingly rely on smartphones, tablets and information stored online. AP/Jeff Chiu, File