Create the Sibling Category
Define a new category as a sibling of the category created in the product hierarchy.
Right-click on the Basic item, and select Add Sibling to see the New Category window.
Enter the Category Name as Premium
Make the category visible to administrators and end-users.
Select Description from the New Category ribbon menu, and enter a description for the Basic category.
Select Product Links, then select the Quickstart 2015 item.