Here’s a video tutorial for Page Builder from Presence theme, but the instructions are actual for Balance too:
In order to activate the Page Builder, you’ll need to install the Unyson plugin, which is available for free.
After installing the theme, you’ll see a message at the top that offers to install and activate the plugin quickly:
Install the plugin and Activate it.
After that a new section called Unyson will appear in the dashboard menu:
Go to the Unyson page, and install the Page Builder extension.
Now you can use the Page Builder when you create or edit pages.
Here’s how you can create a new page to use it as front page and how to load the same layout from the demo:
In the following video you can see a walkthrough the Page Builder extension:
In order to display the slideshow at the top, select the Homepage (Unyson Builder) page template for the page that you’ll set as Front Page
To set a page you’ve created as front page, go to Settings > Reading and select in the Front Page dropdown.