CAMBRIDGE, U.K. – A small Microsoft Research team had lofty goals when it set out four years ago to create an analog optical computer that would use light as a medium for solving complex problems.

Microsoft will bring its Copilot Actions feature that can perform certain tasks to its Windows 11 operating system, enabling work with locally stored files. It's coming first to people in the Windows ...

Microsoft's PC Manager promises to optimize your machine's performance at no cost. I tried it out to see if it's good enough to replace third-party tools. I've been testing PC and mobile software for ...