How to open file with extension pdf
The PDF format is quite common today. This is the format of electronic documents, magazines, books and other printed materials.
To open files with this extension by using a special Adobe Reader. It is free and can be downloaded from the developer’s site http://get.adobe.com/reader/
There are also third-party software (e.g. Foxit Reader http://www.foxitsoftware.com/pdf/reader/)