There are all necessary tools in Store Manager for PrestaShop to add, edit or delete your product in PrestaShop store. You have no limitations of the number of products, categories and subcategories.
Actualizar a PrestaShop 1.5 - Articulo y video paso a paso para actualizar a la nueva version 1.5 de PrestaShop. - http://laprimera.net/actualizar-prestashop-copias-seguridad/