Have a read of this: https://doc.prestashop.com/display/PS17/Link+Widget
Edit History
Have a read of this: Link Widget - PrestaShop 1.7 - PrestaShop documentation
Have a read of this: https://doc.prestashop.com/display/PS17/Link+Widget
Have a read of this: Link Widget - PrestaShop 1.7 - PrestaShop documentation