products listing for category listing menu

How to create products listing for category listing menu ?

And how to edit it?

If you have the latest version of HikaShop, is you publish the default hikashop category menu which is pre created automatically, there is a products listing attached to it automatically. In the hikashop options of that menu, you will find a link to the hikashop options of the products listing in the 'associated modules' option.

IF I DONT A LATEST, HOW CAN I EDIT IT?

In that case, you can follow that tutorial:
www.hikashop.com/en/support/documentatio...html#categories_menu