If the PDF is viewable directly in Firefox or in the Adobe software you will probably get an option to save the pdf file. See also the help articles * [[View PDF files in Firefox without downloading them#w_using-the-built-in-pdf-viewer]]_using-the-built-in-pdf-viewer <br/> Note the viewer has a download option from the toolbar top right. *[[Use the Adobe Reader plugin to view or download PDF files]] I note you have the extension ''PDF Download 3.0.0.2.1'' installed, you may need to follow the instructions from that extension, or possibly even disable that if it interferes with Firefox's built in viewer.