It takes quite a bit of time and effort to create a site, and almost impossible for someone else to do it in the way an owner wishes without the owner and developer working very closely together on the project. There are just too many questions that need to be answered as the page is developed. So the above advice is almost certainly the best route to a quick resolution.
Install the demo on your local machine using a tool like WAMP ot MAMP and you can carefully go through the settings, learn how things work and get the layout dialled exactly as you want it.