Start by accessing the website as Admin, by clicking here:


    



Then edit the Homepage by clicking the pencil icon, here:


    


On this WYSIWYG you can add your custom text and you can edit the text using the following tools:





Or you can use the code view to add your custom HTML:




Once the custom text is ready, navigate to Settings -- Design Settings -- Homepage Layout -- Homepage Section Order and choose the Custom Homepage Content option from the drop-down menus:



The result will be this: