! First install a page builder plugin like Elementor and create a page.

You will see many WordPress widgets in toolbar. All of custom widgets starting prefix +, you can add all widgets starting prefix + to favorite by right clicking on widget

Product by attribute

Drag +Product by attribute widget to your favorite page builder

select category, number of products, products per row and pagination

Product by category widget

Drag +Product by category widget to your favorite page builder

select category, number of products, products per row and pagination