1. Enter chrome://settings/content/pdfDocuments into your navigation bar
  2. A page that looks like this should appear
  3. Make sure that the Download PDFs option is selected
  4. Click this link to access a blank PDF to download: https://drive.google.com/file/d/1LYBovLLEOXbEyfGVeeboJafrbX_5r7NA/view?usp=sharing
  5. When the PDF downloads it will appear in your download bar at the bottom of the page
  6. Click the arrow on the download
  7. Then click "Always open in System Viewer"
  8. The next time you download a PDF it will now open in your Default PDF viewer. You can click this link to a blank PDF to test: https://drive.google.com/file/d/1LYBovLLEOXbEyfGVeeboJafrbX_5r7NA/view?usp=sharing