If you are looking for free multiphysics simulation tools, consider these open-source alternatives:
: Log into your COMSOL Access account to download the latest version (currently 6.4 as of March 2026). Comsol Multiphysics 6.0.318 Activator Free Download
: You can request a software trial from a COMSOL sales representative to test the software for noncommercial use. If you are looking for free multiphysics simulation
If you already have a valid license or trial, you can download the software and its updates directly from the manufacturer: Comsol Multiphysics 6.0.318 Activator Free Download
: The COMSOL Client for Windows is a free tool, but it requires a connection to an active COMSOL Server™ instance to run applications. Official Download & Updates