This item is re-newed and comes with warranty. Chromebook runs on chrome os and has the google apps. You can edit, download, and convert microsoft office files in google docs, sheets and slides. Asus chromebook cx15 is made for boosting productivity and having more fun while on the move all day, every day. This lightweight, portable device is powered by Intel processor and gives you the freedom of a long battery life. The slim bezel design fits more screen into the compact chassis for easy multitasking and incredibly immersive entertainment; to further increase productivity, a set of number key is also included. With the speedy performance, robust security and intuitive features, Asus chromebook cx15 is ideal for anyone on the go.