Technical Support

To download, view, and print course files, you must have a PDF reader installed on your computer. The most common of these is the free Adobe Reader although other programs are available that offer similar functionality. If you choose to install Adobe Reader, please note that Adobe suggests that previous versions of Reader be uninstalled [...]

To download, view, and print your certificate, you must have a PDF reader installed on your computer. The most common of these is the free Adobe Reader although other programs are available that offer similar functionality. If you choose to install Adobe Reader, please note that Adobe suggests that previous versions of Reader be uninstalled [...]

The design of PDHengineer.com is optimized for the Google Chrome series of web browsers. But, the functionality of the website, including creating a login account, purchasing courses, taking quizzes, etc., works with any web browser. However, there are some text and graphics that may appear slightly different than our web designers intended when displayed on [...]

Most information that you input when creating your login account can be changed at any time by clicking on Edit Profile Information in the My Account menu. However, for security reasons, a member of our Customer Service Team must make any corrections to your name. Note that any changes that you make to your Profile [...]

Your internet browser (Internet Explorer, Firefox, Chrome, Safari, Opera, etc.) maintains stored copied of web pages and pictures in order to speed up how fast web pages are displayed to you. This is called a browser cache, and the files contained are referred to as cached files. The browser cache allows you to speed along [...]

Some state boards ask that the PE provide one PDF file containing all certificates of completion. This can be easily done using most PDF manipulation software including Adobe Reader. But, be advised that some programs that combine multiple files can cause certain information on the resulting file to be illegible, scrambled, or missing. This generally [...]