6 demo BO, nonetheless I couldn't scroll all the way down to bottom of the side menu to access the module. This is because by default the menu will not scroll, so you're able to't check out the links towards the bottom. You will find a totally free module accessible to https://www.presta-addons-modules.com/en/free-modules/prestashop-popup-on-exit-page-on-browser-tab-close-event.html