Some 14 million people installed the Windows 10 operating system in the first 24 hours following its release, Microsoft said, calling the response "overwhelmingly positive." The company said its new operating system aimed at computers, mobile devices and other gadgets got off to a strong start toward its goal of reaching one billion devices. "We're humbled and grateful to see the response to Windows 10," corporate vice president Yusuf Mehdi said in a blog post late Thursday. "We have seen unprecedented demand for Windows 10, with reviews and customer feedback overwhelmingly positive around the globe." The stakes are high for...