How to add custom button before Add to Cart form in WooCommerce Product Page | For Specific Product

Please how can i add this to more than one product

The website to download the code isn't opening.

Thank you for this great content keep it up 👍🏻, how i can use this code for multiple products with deferents links for each product??

How to do if I have to add below product title

Nice . Where can I put the download link?