If you wish to make a file available for download, for example, a PDF document, you can upload this file to your server either via FTP or your media library, and then link it to some text on your page.
1. Use the Add Media button to upload the pdf
2. In the Attachment Display Settings on the upload page select the entire URL and copy it
3. Go to your page – Highlight the text you want to link attached to – click the Link tool and paste the URL