Do you want to add WooCommerce Product Categories to your menu? It’s easy! Just go to Appearance > Menus and be sure to select the menu you want to edit at the top. Then, find the Product Categories you want and check them off and click the Add to Menu button. If you don’t see the Product Categories, click on Screen Options at the very top right of your screen and make sure Product Categories is checked.
Then simply drag and drop the categories where you want them to go. Remember that if you want them in the submenu, they shoud be indented. Fianlly, don’t forget to click Save Menu when you’re all done.