To add categories to your store:
- Go to Inventory -> Manage Categories -> Add New Category
- Here you can fill in the 'Category Name', add photos, tie products to the category, and create sub-categories)
If you already have categories built, and would like to edit certain products within the category, including changing the category a product is listed in. You can Go to Inventory -> Manage Categories, you should then see a number next to each category to let you know the number of items tied to the specific category, click on this number to be taken to the product list page for this category
On the following page, you can edit the specific item to adjust the category. This can also be done through a product Export (Inventory->Export Products) If you would like to update multiple categories at a time.