Step 1: Add the module zip file from the back-Business office Module & Services menu tab. Module Supervisor region using the upload button. Following the productive installation module menu, the backlink will appear while in the left menu or prime menu from the back again-office more region. - Module operates https://www.presta-addons-modules.com/en/front-office/prestashop-scrolling-info-based-on-selected-category-and-language.html