1. Click in the dashboard under "Products" on the menu item "Categories":
2. Click on the green button with the plus sign at the top to create a new category. If you want to edit an existing category, click on the category name to access its settings. Categories can also be deactivated or hidden with the status:
3. Enter the information for this category and click on "Create":
4. If this category is a subcategory, you can select its parent category by clicking the plus next to "Position":
The categories are now visible in your shop when they are activated.