"By PrestaShop" is used for each constructed-in modules or for modules made by PrestaShop and bought on Addons marketplace. When you have decided on the module you need, according to the form of module it can be, you can perform a few distinctive styles of steps. It's thus pretty complicated, https://rafaelsxyxw.nizarblog.com/27932476/little-known-facts-about-prestashop-zaloguj-sie