Open the homepage in edit mode by logging into the control panel and pulling it up.
To open a file for editing:
1) Login to the control panel.
2) On the menu, navigate to Edit Web Pages -> Edit HTML.
3) The File Chooser will load. Find the homepage (index.asp) and click the "edit" button to open it for editing.
4) You have successfully opened the homepage for editing!
You may want to log into the trial account and work these steps to convince yourself how simple editing really is.
It is easy to change the entire look and format of webpages. Don't be worried about accidently altering the internal code that makes the website function- all the important code resides in separate files.