Follow this process on a Windows PC (you can adapt it to Mac/Linux). We are going to trick the Google update server into giving us the raw image, then flash it offline.
Compare its SHA256 hash with Google’s official value in recovery.conf . If they don't match, delete it immediately. Hash mismatch = malware.
This method works 100% offline (local network only) and takes 2 minutes per machine.
No. Without internet, you cannot receive Google’s bi-weekly security updates. You must connect online occasionally. Offline installation does not block future online updates; it just skips the initial download. Chrome Os Flex Download Iso 64-bit Offline Installer
: Turn on the computer and immediately begin tapping your manufacturer's boot menu key (commonly F12 , F9 , F11 , Esc , or Option/Alt for Mac).
Once your offline installation media is built, you can carry it to any target computer to perform the deployment without requiring an active internet connection during the initial partition layout phase.
Google updates these links continuously, but the recovery images are always packaged as .bin.zip files. You can find up-to-date raw recovery images via community-maintained repositories like or the ChromeOS Recovery Images list . Follow this process on a Windows PC (you
Since you likely want to install this on a PC, you need to write that download to a USB drive (at least 8GB).
Installing Chrome OS Flex will completely erase the internal drive of your target computer, including all personal data, files, and the existing operating system.
Older laptops, PCs, schools, and businesses needing to modernize old devices. Chrome OS Flex System Requirements (64-bit) If they don't match, delete it immediately
Yes. Installing Chrome OS Flex will wipe the internal hard drive. Make sure to backup your files first. Can I use Sandisk USB drives?
Can I help you with the specific for your computer model, or do you need help setting up enterprise deployment policies for Chrome OS Flex? Share public link