WIFI isn’t supported on the AX210. you will need to replace your wifi card or use ethernet for this to work!
Download Cloudready from CloudReady for Home: Free Download — Neverware
I suggest using the USB creator, but either way create yourself an install USB drive following their instructions.
Boot the USB drive by inserting it into your frame and spamming FN+F12
After it boots
If you want to install to the SSD, click on the clock in the lower right hand corner and select “Install”
If you want to install to an expansion card or other removable device
login with the username chronos
sudo chromeos-install --dst /dev/XXX where XXX is the device you want to install chromeOS on
wait until it’s complete
and that’s it. Pretty simple.