Click "Use my current email address instead" so you can enter in your Southwest Tech email.
Fill out all the fields with the appropriate information and then click "Next".
Check your Southwest Tech email for a verification code.
Enter in the verification code from your email back into the box on the registration page and click "Verify".
Enter in your "Birthday" and "Gender" and then click "Next". You may optionally enter in a "Phone number" for recovery purposes.
Read through the "Privacy and Terms" page. Once you get to the bottom you can accept the terms by clicking "I agree". You may click the "More Options" drop-down at the bottom set some account and privacy settings.