If this is the case, you have successfully arrived at the ban appeal section. The next thing you should do is select on 'Appeal Example' to get an idea of what the idea should look like. Here is the option you should press to see the 'Appeal Example' (The Option not the contents inside):
Now, once you click 'Post Reply' you have successfully made an unban application! Hopefully, you learn from your mistakes and will not have to review this post again. Have a good day, and stay out of trouble.