Questions and Answers

The short answers below provide a basic response to the questions posted. To see the complete response to the question, click the link at the end of each answer.

How do I update the version of FDS and Smokeview used by PyroSim?

This short video shows you how to install the latest version of FDS and Smokeview from the NIST project site and setup PyroSim to use them instead of the versions built into PyroSim. See Full Details...

What options are there to reduce the computation time?

There are many ways to reduce the overall computation time. A combination of the computer hardware, operating system and optimizations to the model configuration are all part of a solution. See Full Details...

How do I install PyroSim?

Open the installer file (*.msi) and proceed through the installation wizard. Run the software from the Windows Start menu. See Full Details...

Why am I experiencing problems with the visual display of PyroSim?

You need to make sure you have the most recent drivers for your graphics hardware. See Full Details...

Where do I download PyroSim?

Sign up for a trial evaluation or purchase a license to receive an email containing a link to download PyroSim. See Full Details...

Why can't I activate PyroSim?

Input the activation key from your email in the Licensing and Activation window. For floating licenses, follow the link to download the instructions and license manager. See Full Details...


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For more information on our support policies, see Technical Support.