Google MFA: Setup Multi-Factor Authentication Using A Security Key (USB device)

Use a Security Key (a usb device that plugs into the USB port on your district-provided computer) for Google 2-Step Verification.

Initial set up of a USB Key while enrolling in MFA for the first time

Log into your email.
Click the Enroll button when you see the 2-Step Verification warning (or, go directly to the Google 2-Step Verification set up).
On the Second step to sign in page, select Show more options.
Click on Security Key in the drop down. Do not plug in the Security Key yet.
Click Next.
When prompted, insert the Security Key in your computer’s USB port.
Once connected, tap the button or gold disk if your key has one of them.
Click Allow in the 'Allow this site to see your Security Key' pop-up.
Give your Security Key an easy to remember name, then click Done.
Set up is now complete! Please go to the next section to learn how to use Multi-Factor Authentication.