html download link
<a href="path/to/file.ext" download rel="noopener noreferrer" target="_blank" rel="nofollow" > Download File </a> <!-- Please keep in mind that the dowload attribute is not supported by IE11. This why we need a target="_blank" rel="nofollow" fallback -->
download doc from html
<a href="the/name/of/your/file.x" download>