Firstly, make your way to the 'Settings' page via the sidebar. Then, scroll down to and click on 'Product settings', then the 'Product categories' page link:
On this page, you can add and rename product categories. To add a product category, click 'Add' in the top right corner.
This will bring up the below screen. From here, name your category and click 'Submit'.
To rename a category, click rename and then the 'Edit' button:
Follow this link (https://intercom.help/herohealth/en/articles/5370284-how-to-add-a-product-category-to-a-product-within-hero) to view our help article which explains how to add a product category to a product within Hero.