—it’s already waiting for you in your motherboard settings! You just need the right BIOS file to feed it. Step-by-Step Guide: [Motherboard] ASUS EZ Flash Introduction | Official Support
For laptops (e.g., ZenBook, ROG Zephyrus), the process is similar: download asus ez flash utility
is a built-in utility within your motherboard's BIOS/UEFI, meaning you do not need to download the tool itself. Instead, you download the BIOS update file specific to your motherboard model and use the pre-installed EZ Flash utility to apply it . How to "Download" and Prepare for EZ Flash —it’s already waiting for you in your motherboard