The utility will download the latest binary image and write it to the USB. How to Find a "Chrome OS Flex ISO" Directly
Optimized for web apps, web browsers, and cloud services.
Use the Chromium Dash Recovery Images page to find the latest "ChromeOS Flex" build.
You now have a bootable USB. While you don't have a literal ChromeOSFlex.iso file, you have the functional equivalent.
chromeosflexiso[.]com , download-chromeosflex[.]org , etc.
Launch the extension from your Chrome browser's extension icon (the puzzle piece). Insert your blank 8 GB+ USB flash drive into the computer. Step 3: Select ChromeOS Flex
For virtual machine users (VMware, VirtualBox, Proxmox) or IT admins who need offline storage, you can extract the raw image file before writing it to the USB.
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Insert your USB drive. The utility will detect it. Select it from the list and click "Continue". Finally, click "Create Now". The utility will download the latest ChromeOS Flex image and write it to your USB drive. When it's finished, you'll see a confirmation message.