Mathematica version 11.3.0 - ISO image for Microsoft operating systmes
Mathematica version 11.3.0 - ISO image for Linux operating system
Mathematica version 11.2.0 - ISO image for APPLE MAC operating systems
When you run the software for the first time, it will ask yabout the licence method (select the option Network License) and the name of the licence server (enter: lm.zut.edu.pl)
In case of any problems with the installation, please contact your local administrator.