Windows 10, launched in July, is part of Microsoft’s push to 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 unveiled two phones, the Lumia 950 and 950XL, with prices starting at $549 and $649 respectively staring in November. The Lumia 950 includes a 5.2-inch display and a hexacore processor, while the larger Lumia 950 XL has a 5.7-inch display with an octacore chip.