Microsoft unveils first laptop, updated devices using Windows 10

Microsoft Corp unveiled on Tuesday its first laptop, a line of Lumia smartphones, a new Surface Pro tablet and an updated version of its wearable fitness tracker, Microsoft Band, all running on Windows 10, its latest operating system. Microsoft is counting on Windows 10, launched in July, to help it win a bigger share of the market for tablets and smartphones, now dominated by Apple Inc and South Korea's Samsung Electronics Co Ltd. Microsoft said its laptop, the Surface Book, will start at $1,49