Prepare for installation
As an admin, you can install Chrome OS Flex on Windows, Mac, or Linux devices so your users can get many of the features that are available on Chrome OS devices. This Installation Guide will include: The steps needed to create your USB installer, which also includes how to obtain the Chrome OS Flex image.
https://support.google.com/chromeosflex/answer/11552529?_ga=2.112435012.1911915214.1657903237-621284972.1657903237&visit_id=637935001227158399-3489009288&p=flex_ent_form_install&rd=1