How do I get my 2FA authenticator code?

How do I get my 2FA authenticator code?
Set up Authenticator

On your Android device, go to your Google Account.
At the top, tap the Security tab. If at first you don’t get the Security tab, swipe through all tabs until you find it.
Under “Signing in to Google,” tap 2-Step Verification.
Under “Authenticator app,” tap Set up.
Follow the on-screen steps.

Set up Authenticator
  1. On your Android device, go to your Google Account.
  2. At the top, tap the Security tab. If at first you don’t get the Security tab, swipe through all tabs until you find it.
  3. Under “Signing in to Google,” tap 2-Step Verification.
  4. Under “Authenticator app,” tap Set up.
  5. Follow the on-screen steps.