If you want to use the site without paying:
You can sometimes find the direct PDF link manually without installing any extra software: Open Developer Tools Ctrl+Shift+I on the document page. Network Tab : Go to the tab and refresh the page ( : In the filter box, type Find the Link : Look for a request URL containing viewer_next/web/study extension. Right-click it and select "Open in new tab" to download it directly. 4. Alternative: "Print to PDF"
Note: If you haven't uploaded enough, the system will prompt you to "Unlock with Uploads."