Google does not provide a direct file for ChromeOS Flex. Instead, they use a recovery image format (zipped file) specifically designed for their installer tool. Google Help How to Download and Create ChromeOS Flex Media To get ChromeOS Flex onto a USB drive, use the Chromebook Recovery Utility Install the Tool Chromebook Recovery Utility

By choosing ChromeOS Flex, you're not just getting a faster computer; you're also making a sustainable choice by extending the life of your hardware. The make and model of the laptop you're upgrading. If you need help setting the BIOS/UEFI to boot from a USB.

Install Extension: Add the Chromebook Recovery Utility from the Chrome Web Store.

  1. Download this large .zip file.
  2. Extract it. Inside will be a file with no extension or a .bin extension.
  3. Rename recovery_image.bin to chromeos_flex.iso. (Note: Most hypervisors accept .bin natively, but renaming helps file association).

A working computer with the Google Chrome browser installed.

3. Unofficial ISO Conversion (For Advanced Users)

While not supported, you can manually extract the .bin and convert it to a bootable ISO using tools like bin-to-iso or PowerISO. However, this ISO will fail to install correctly if burned to a DVD or used in a VM without specific virtual BIOS settings (EFI/Secure Boot disabled). For this reason, the community recommends sticking to the USB method.

  1. Insert the USB drive: Plug in the bootable USB drive into your device.
  2. Restart and enter the BIOS: Reboot your device and enter the UEFI firmware settings (key combinations may vary).
  3. Set the USB drive as the primary boot device: Save the changes and exit the BIOS settings.
  4. Boot into Chrome OS Flex: Your device will now boot into the Chrome OS Flex installer.
  5. Follow the on-screen instructions: Complete the installation process by following the prompts.