The Asus Express Gate is a software application installed in the firmware of newer Asus motherboards. Express Gate acts as a mini operating system, offering the user access to mini-games, their photos, instant messenger programs, Skype, the Web, and more, within 5 seconds of powering on their PC. Express Gate loads immediately, prior to the computer entering the main operating system, be it Linux, Windows, or other.
Asus Express Gate provides you with access to a variety of different commonly used software applications.
Yes you can still use the computer without the Asus Express Gate.