In order to create your site you first need to register for a site.
To register for a site click on 'Add your club' in the menu in Intheteam. You then simply need to enter your email address and a password. For security the password must be between 6 and 12 characters and must contain at least one upper case letter (passwords are case sensitive) and one digit.
Click on the register button and you will then be sent an email which will contain a link to a page where you can create the site.