Windows 10 introduces several new features including an updated Start menu with live tiles, virtual desktops, and enhanced snap views. It also includes a new Settings app that consolidates system preferences. Some key highlights include the Start menu's customizable tiles and app list, the Task View for organizing open windows, and personalization options for customizing the lock screen and desktop. The document provides guidance on how to use these new features and answers common questions about switching users, adding shortcuts, and adjusting display settings.