The Add New Product Set Page can be found by going to your WordPress Admin Area -> Product Set -> Add Product Set.

The format and elements displayed on this page can be configured according to your specific preferences.

First, in the top right hand corner, click Screen Options.

Here, you can select the Screen Elements that you would like to be displayed on the page. This includes, Custom Fields, Product Search Form, Dashboard, Custom Update Schedule and more.

Your selected Screen Elements can then be displayed in either one column or two columns.

Once you are satisfied with the displayed Screen Elements, you can then opt to rearrange the order in which they appear.

Each Screen Element has arrows on the right hand side that can be used to move the elements.

Simply click the up or down arrows to change their position on the page.

For more information, check out written documentation here.