Asus flash tool is a free program that allows you to flash asus android phones such as zenfone and padfone. atk package is a free program designed to work with asus notebooks that provides atkacpi drivers and hotkey-related utilities. work with asus notebooks that only for windows 8.1 (both. Free download asus winflash - windows bios flash utility for asus motherboard that allows you to check the bios file you load before commencing the. In this article we have mentioned for you links to download the asus zenfone flash tool. the asus flash tool is compatible with windows 7, windows 8, windows 8.1, windows 10(