Magento 2 Product Attachments extension by Solwin makes product files available for download on the product detail page for visitors.

The store owner can upload a particular file from the add product page under the attachments tab from the admin side. It provides the maximum upload file option from the configuration panel. You can show the attached files on the product detail page in the attachments tab or inside the product info block.

Benefits Of Product Attachments
- Admin can configure the file visibility.
- Improve customers’ shopping experience.
- Add multiple files.
- View product attachments online.
- Find product attachment easily.
- Easy to download product attachments.

Extension link: https://www.solwininfotech.com/product/magento-2-extensions/product-attachments-magento-2/