When trying to use your license, you are getting the following error message:

Please note that the Activation menu only applies to Altair Licensing Activation System.
If you are trying to use a License Server file, typically a *.dat or *.lic looking like the screenshot below, please follow the instructions from the Altair Management System guide, section 4.0b Install a License File for Linux, section 5.0b Install a License File for Windows or section 6.0b Install a License File for Mac OS X.
