To create and/or rename category, please log-in to your Admin Cpanel. Type in your web browser: http://www.yourdomain.com/admin.php. In the field "Add new category" please give a name to your new category, for example "Architecture" and click ADD button. The new category will be created. You can repeat this action for other categories. Please be aware, that ONLY 6 categories can be created!

You can easily rename category if you decide to do that. Please click the little blue button (shown with red circle below) in front of appropriate category.

You will see the new window where in the "New category name:" type in new name of the category and then click "Submit Query" button.