6 demo BO, on the other hand I could not scroll down to bottom of the side menu to accessibility the module. It's because by default the menu won't scroll, so that you can't look at the links in direction of the bottom. There exists a free of charge module available https://www.presta-addons-modules.com/en/front-office/prestashop-scrolling-info-based-on-selected-category-and-language.html