PDF

Normal download link

<a href="test.pdf">test.pdf</a> - test.pdf

Normal download link, with a little extra

<a id="downloadLink" href="test.pdf" target="_blank" type="application/octet-stream" download="test.pdf">test.pdf</a> - test.pdf.

Forced download link

<a href="download.php?file=pdf">test.pdf</a> - test.pdf.

ZIP

Normal download link

<a href="test.zip">test.zip</a> - test.zip

Normal download link, with a little extra

<a id="downloadLink" href="test.zip" target="_blank" type="application/octet-stream" download="test.zip">test.zip</a> - test.zip.

Forced download link

<a href="download.php?file=zip">test.zip</a> - test.zip.