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 bull run in Microsoft's stock this past year has helped the tech giant surpass Exxon Mobil and seize the rank of the second most valuable company, behind Apple Inc.
Facebook on Wednesday began testing a Messenger app virtual assistant that the leading social network said goes beyond artificial intelligence programs already on the market.
The technology boom that has generated a flood of engineering jobs in cities like Seattle also means a boost to a related part of the economy: vendors and temporary workers.
Microsoft said Thursday its Bing search engine would be reconfigured to give more prominence to "mobile-friendly" websites, an acknowledgment of the growing importance of smartphones and other mobile devices.
Microsoft said Monday its Cortana virtual assistant software was available to users of Android mobile devices.
Microsoft says its new Windows 10 operating system will be coming "this summer" in 190 countries and 111 languages.
US-based Microsoft is suing high-tech manufacturer Kyocera for patent infringement over technology used in the Japanese company's cellular phones.
Kunal Bahl's American dream was coming together in late 2007. He had Ivy League degrees in business and engineering, a debut job at Microsoft and a roadmap to the career he'd always wanted in Silicon Valley.
Microsoft on Wednesday set out to boost workplace collaboration with a giant Surface Hub touch screen tailored for brainstorming.