Create Collections (categories) for easy navigation in your online store
Click on Payments> Products> Collections
Add collection name
Inside the products scroll down and look for collections. Assign the collection you want the product to be in. You can assign multiple collections per product. Then click save.
From your web builder, add a new Menu Item. Add a sub-menu item based on the collections you created. Direct the menu to Collections and select the corresponding Collection. Click save and publish.