If you do not have an account, you need to register an account
After you have filled in the form, you will get the folowing message: "Your account has been created and an activation link has been sent to the email address you entered. Note that you must activate the account by clicking on the activation link when you get the email before you can login."
Go to your email and click on the activation link to activate your account - please check you spam/junk mail folder as well for the mail.
After you clicked the link in your email you should get the following message: "Your Account has been successfully activated. You can now log in using the username and password you chose during the registration."
Now log in with your newly created account and you are good to go!
Go the the directory and the category you like to be and click on the Add your listing here link.