Reply To: My Category page doesn't show up after clicking the category

Hello,

If you create categories from WordPress then they are not the product categories. You need to create categories from Products >> Categories.

Screenshot for Clarification: https://ibb.co/1dLPKQt

Then you can add these categories to the menu from Appearance >> Menus >> Edit Categories.

Screenshot for Clarification: https://ibb.co/k4PjSYJ

Best Regards.