Are there different types of PDF file readers?
There are different software programs that will read PDF files, and some other programs will generate PDF files. As this page focus is on Adobe Acrobat, the most popular program, members should be aware that Adobe Acrobat Reader underwent a major change with version 4.0 of the reader. Version 3.0 of Adobe Acrobat Reader had been in in use for many years, so if you have an ‘older’ PC system you may well have Adobe Reader version 3.0 Documents created with Reader version 4.0 or above cannot be opened in earlier versions of Acrobat. If you use Adobe Acrobat Reader it would be prudent to secure the free upgrade. How does Adobe Reader work with my Internet Browser? When you install the Adobe Reader program it detects which Internet browser you are using. If you are using an ‘Adobe compatible’ browser such as Microsoft Internet Explorer the software automatically installs a ‘plug-in’ so that you can read the files on-line. The Acrobat Reader Program ‘help files’ provides advice on how to use
