From the manufacturer

Windows 10

Complete security. No compromises. Windows delivers comprehensive security with more built-in security features, safe authentication and ongoing updates to help protect against current and future threats. All delivered at no extra cost.	Start fast. Finish first. Windows is the best for bringing ideas forward and getting things done. Double-down on your productivity with great ways to get organized, capture ideas, and make things happen.	Windows lets you be you. Cortana is your truly personal digital assistant who becomes more useful every day in helping you get things done.	Beautifully designed. Powerfully built. Windows devices lead the way with the fastest processors, longest-lasting batteries, and highest-res displays.