: Most downloads come as a ZIP file. Right-click and Extract All . Copy the extracted .CAP file to the root directory of your USB drive. 2. Running the EZ Flash Utility
But here’s a critical fact that confuses many users: Instead, you download the BIOS update file from ASUS’s official support website, then launch EZ Flash from within your BIOS to install it.
: Download the latest BIOS version and extract the ZIP file. Look for the .CAP file (or similar extension), which is the actual update file. Preparing Your USB Drive