Your email can already be verified from sign-in. That does not turn email 2FA on. If you sign in with an email code, prefer SMS or an authenticator app. Email 2FA is available if you still want it, but it adds little on the same inbox.
SMS verification is currently unavailable
Scan with your authenticator app:
Secret Key:
SMS will be sent to:
Enter your phone number to receive verification codes
✓ Two-Factor Authentication Enabled
Method: Authenticator App
Disable 2FA
Enter your password to confirm disabling two-factor authentication.