You can make the file downloadable by adding download feature to html links You can start the process with the download command you will give to the a tag.
Simply
<a href="img/dosya.jpg" download>
To determine the registration name of the downloaded file, it is sufficient to add = "name" to the download feature.
<a href="img/dosya.pdf" download="Dosya Adını Yaz">
<a href="img/resim.jpg" download="Resim Adı">
This attribute is used only if the href attribute is set.
If the value is omitted, the original filename is used.