You can download this untility in ASUS support site: http://www.asus.com/support/ according to your specific model.
*Enter product's model name-> Support-> Driver & Tools-> Select OS-> Utilities-> ASUS AI Suites 3.
AI Suite 3 is an all-in-one interface that integrates several ASUS utilities and allows you to launch and operate these utilities simultaneously.
Ensure that you have an Administrator account before installing AI Suite 3 in Windows 7 or Windows 8 OS.
To install the Wi-Fi-enabled features of AI Suite 3, ensure that you install the Wi-Fi module driver from the bundled Support DVD. To do this, go to Driver tab > ASUS Bluetooth 4.0 Wi-Fi Driver and follow the succeeding onscreen instructions.
What's new in version 3.0
ReleaseApril 4, 2017
Date AddedApril 4, 2017
Operating SystemsWindows, Windows XP, Windows Vista, Windows 7