ChromeOS Flex is distributed as a .bin recovery image rather than a standard ISO, which can be downloaded directly and flashed onto a USB drive for offline installation. Users can create a bootable installer by flashing the extracted .bin file using tools like Rufus or balenaEtcher, supporting 64-bit Intel or AMD devices with a minimum 8GB USB drive. To get started, you can download the official image at Latest ChromeOS Flex Recovery Image. ChromeOS Flex ISO Download: 2 Methods for ... - Promevo
dd if=recovery.bin of=chromeosflex.img bs=4M status=progress
FLEXFLEX-LEGACYThe Official Method (Requires Internet): Chrome Os Flex Download Iso 64-bit Offline Installer
Benefits of Chrome OS Flex