You will need to use some sort of PDF creator such as the one below. Mac users have this ability built-in when they go to print a document.

  1. Go to http://www.dopdf.com/download.php
  2. Click the big green Download button at the top and install the software
  3. When you want a document to be a PDF you open the document
  4. File > Print
  5. Choose the DoPDF printer
  6. This will create your PDF