A PrestaShop banner module is an answer you'll need. If you have ever searched, you'll probably see that PrestaShop has a banner module, but sad to say, you'll be able to Screen a banner on the Homepage only. But, you will need a lot more than that! The module is https://back-office-prestashop06714.magicianwiki.com/984497/the_fact_about_debug_prestashop_that_no_one_is_suggesting