Google hosts all recovery images on a public Google Cloud Storage bucket. To get the direct download URL for the RAW image (which you can rename to .iso for some hypervisors):
Example Structure (varies by version):
https://dl.google.com/dl/edgedl/chromeos/recovery/chromeos_<version>_flex_<device>_stable_<channel>.bin.zip download chrome os flex iso
To get the ISO equivalent:
Warning: This file is typically 1.5GB to 3GB. Do not use these files for direct booting on a PC; they require specific writing tools (like dd, BalenaEtcher, or Win32DiskImager). Google hosts all recovery images on a public
To get the installation file, you need a working Windows, Mac, or Linux computer and a USB drive (at least 8GB). Example Structure (varies by version): https://dl
Pro Tip: Before you create your ISO, boot a Live Linux USB (like Ubuntu) on your target machine to check if your Wi-Fi and audio work. If they work on Ubuntu, they generally work on Chrome OS Flex.