Most major universities provide campus-wide or departmental licenses for COMSOL. Check with your institution’s IT department or engineering lab before looking elsewhere.
Many universities (such as FAU in Germany) provide a to their students completely free through platforms like StudiSoft. Check with your university's software distribution portal or IT department. comsol multiphysics 35a free download best
What are you trying to simulate? (e.g., heat transfer, fluid flow, structural stress) What operating system are you currently using? Is this for academic research or a commercial project ? comsol multiphysics 35a free download best