Hello! When you buy a module on our Addons Marketplace, there is a period of 90 days after purchasing the product.
— PrestaShop (@PrestaShop) January 18, 2019
Have you contacted the developer of the module? Feel free to provide us your order number in DM and we will look into it. :)
https://goo.gl/EO0ad1
https://goo.gl/xF8heB