To post, at the top right click "Register"
Type in your email address,
Click continue, then create a password and user name...
Put in a birthdate and gender.
Your age or gender does not have to be accurate.
Then the user name again... Then click I Agree to the Terms.
Answer the security question.
You'll get an email with the activation code.
Plug the code in and you are ready to post with your new user name.