To support the launch of that new significant version of the modern pipe stress analysis software PASS/START-PROF 4.84, PASS Team held a series of industry-related webinars. The webinars covered the main features and supported codes of PASS/START-PROF for a specific industry as well as the presentation of new software options. In this article, we will learn the stress analysis basics directly from the developers of the oldest piping stress analysis software.