You're looking for a COMSOL Multiphysics trial passcode. Here's some information that might be helpful:
: After the passcode is linked, the product download will be unlocked for your account. comsol multiphysics trial passcode
While rare, COMSOL allows a second trial if you have a valid reason: switching hardware, testing a new specific module you ignored the first time, or the original 30 days were disrupted by a company shutdown. You must email support and explain your case professionally. You're looking for a COMSOL Multiphysics trial passcode
Run the installer. When prompted for a license, select "Trial Passcode" and enter your code. The installer will then fetch the temporary license file from COMSOL’s servers. Important Limitations Duration: Most trials last between 14 and 30 days . comsol multiphysics trial passcode