There is many ways to find these links. I am going to tell you how I find the.
Step one: you need too open up the browser you use and type in google.com
Step two: now there is many footprints you type in to find them here is some
Inurl:.edu/forum
Inurl:.gov/forum
Inurl:.edu/forum/register.php
Inurl:.gov/forum/register.php
Inurl:.edu powered my snitz
Step three: find the register page and the register
Step four : you then place your link in the homepage box . And create a link in HTML with your keyword and URL. You can put the HTML in the bio and the signature
Here is my guide hope you like it and helps people.