COMSOL periodically releases product updates with improvements and corrections to reported problems. By default, COMSOL does not check for updates at startup. You can turn this feature on and off from the Preferences window accessible from the COMSOL Desktop. Here you can also configure settings for the Application Library Update.

The COMSOL Application Library is updated on a regular basis by COMSOL. To open the Application Library Update window from the File > Help menu (Windows users) or from the Help menu (macOS and Linux users), select Update COMSOL Application Libraries.

Using the Updates section in the Preferences window, which you open from the COMSOL Desktop, you can configure proxy server settings as well as application and documentation directories for the Application Library Update. See the COMSOL Multiphysics Reference Manual for more information including command-line options for the Application Libraries.

As an alternative, you can update COMSOL without starting the update from inside COMSOL Multiphysics. To do this, run COMSOL Update.app.

You can update the COMSOL software using an automated update process with minimal user interaction using the abovementioned DAT-file. Consult www.comsol.com/product-update for detailed instructions.