Using v3 and v4 licenses side by side on the same computer

It is possible to use RTDynamics v3 and RTDynamics v4 on the same computer, but setting the environment variable RTDYNAMICS_LICENSE to point to a different license file each time is tedious. v4 introduces a new environment variable called RTDYNAMICS_LICENSE_FILE_V4 which makes it unnecessary to change environment variable RTDYNAMICS_LICENSE.

Simply set the environment variable RTDYNAMICS_LICENSE to point to the license file which you have received for your RTDynamics v3 (or RotorLib FDM for MATLAB/Simulink v3) download.

And

Set the environment variable RTDYNAMICS_LICENSE_V4 to point to the license file which you have received for your RTDynamics v4 download.

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