amasty - Improved Sorting

Improved Sorting for Magento 2​

https://amasty.com/improved-sorting-for-magento-2.html#tabreviews
Improved sorting for Magento 2 is an effective tool for store-owners who care about their customers. Increase the usability of your catalog with new search options! Let your potential clients browse catalog or categories by any comfortable parameters.

1. Offer each customer a suitable sorting option
2. Focus on better performing products
3. Sort out-of-stock products and items without an image last
4. Change sorting order when you need
5. Fully optimized for mobile

it is very old verson ,please careful to use it
Version 2.5.2

new version link https://nullpro.net/resources/amasty-improved-sorting-for-magento-2.1890/

I'm trying to download but I'm getting an error Oops! We ran into some problems.