Why my chromebook lenove N22 does't running after install firmware

why my chromebook lenove N22 does’t running after install firmware cd; curl -LO mrchromebox.tec/firmware-util.sh
sudo install -Dt /usr/local/bin -m755 firmware-util.sh

looks like it’s running just fine

i cant install window on chrome after that,so…how to back to chrome again?
thanks you

It’s EOL, there is no point in going back to ChromeOS.

If you’re having trouble installing Windows, then ask for help. Win10 runs fine on REKS