To check if a product update is available from the File menu, select Help>Check for Product Updates ().
If an update is available, an Update dialog box appears; click Download to download the update directly or click Browse Update to open the COMSOL website where you can read about and download the update.If no updates are available, the Update dialog box reports that your COMSOL installation is up to date. Open The Preferences Dialog Box and click Updates to select the Check for updates at launch check box to make the program check for updates each time COMSOL is launched.