Many universities provide a "Campus-Wide License." Check your university's IT portal or the MathWorks Campus License page to see if you can download it for free as a student or staff member.
Expect the installation to require approximately 3GB–22GB depending on the number of toolboxes you select. Download and Install MATLAB - MathWorks MathWorks MATLAB R2019b Free Download
To download MATLAB R2019b and prepare a technical paper using its tools, follow these steps: Many universities provide a "Campus-Wide License