Unzip the ChromeOS Rammus recovery image to extract the raw .bin file:
Once the "ChromeOS Flex" installation screen appears, press Ctrl+Alt+F2 (or Ctrl+Alt+-> ) to open the terminal. Login: Type chromeos as the username and press enter. chrome os rammus iso download install
If your hardware components do not work out of the box, your processor generation might not be fully supported by the Rammus configuration. If your PC uses an AMD processor, switch from the Rammus image to the "Zork" or "Guybrush" recovery images. Unzip the ChromeOS Rammus recovery image to extract the raw