Mozilla's latest version of Firefox conveniently includes a built-in PDF viewer. If you prefer your own PDF viewer, here's how to change it. Ed Rhee, a freelance writer based in the San Francisco Bay ...
Unlike other browsers, Firefox only uses internal settings to select a PDF viewer. Open the "Firefox" menu, click "Options" and open "Applications." Scroll down to "Portable Document Format (PDF)." ...
The newer versions of Firefox include a PDF viewer enabled by default when you install or upgrade the browser. There is no need to install an add-on or use an external application to open PDF files on ...