How do get it so that people click a link to download a PDF from the site? I can make it so that you click a link that opens the PDF in a new web tab, but I want people to click it to download it to their machine. I'm sure there's a simple way, but I read advice pages which go "It's really simple, first check your PTTF ilugiyg siuig ih igig" and I'm like whut.