Beta form

Hi guys i really need help with Beta form i need to know how to make a form that u put in a code and it like goes to the website i need help and like u can add more codes

http://www.w3schools.com/html/html_forms.asp
OR
http://www.w3schools.com/tags/tag_form.asp

Or just google "How to do html forms"

Or this one: http://www.freecontactform.com/html_form.php

yer but is that like a form that u need codes to enter the site

i need something like habborp.com the beta code

yer but is that like a form that u need codes to enter the site YES it is.