Smaller than Adobe Reader and a bit more versatile than Foxit Reader, Nuance PDF Reader might be just the PDF viewer -- and converter -- you've been looking for. And it's a freebie.

Locate the Adobe PDF Reader add-on. Toggle the setting between "Enable" and "Disable" and choose the option you most prefer. Select "Enable" to open PDFs inside Internet Explorer.

If you would rather install a PDF viewer plugin than use the native viewer, Mozilla recommends the Adobe Reader plugin, the Sumatra PDF viewer or Nitro PDF Reader. All three free add-ons are ...

Nuance PDF Reader is a capable, ... Even without this, Adobe Reader takes quite a bit longer to install, and takes up far more space—about 115MB compared with Nuance's 52MB.

An even-smaller free PDF reader is PDF2EXE Software's CoolPDF Reader, which weighs in at a modest 900KB.You'll find capsule reviews of these and one other free PDF reader at the Tech Support Alert ...

If you have a PDF document saved on your PC and want to validate it, you need to have Adobe Reader installed on your PC. If not, download it from Adobe’s official website and install it.