Windows 10 is the latest version of the Microsoft Windows operating system, released in July 2015. It has a new start menu with customizable live tiles, universal search across files and the internet, and allows one operating system to be used across all devices. New features include snap assist for resizing app windows, the Xbox app for playing Xbox games on Windows devices, improved multitasking with multiple desktops, and an action center for notifications. Microsoft aims to unify the desktop, tablet, and smartphone experience with Windows 10.