Update Your License-Computing Services - Carnegie Mellon University

Update Your Matlab License

The Matlab licenses file expires on August 31 of each year. Prior to expiration, Computing Services receives a new license file and updates that file on our license server.

  • If you run Matlab by connecting to our network server, the license file will be updated automatically; no action is necessary on your part and you should no longer receive expiration messages.
  • If you use a stand-alone version of Matlab (it's installed on your computer), follow the steps below to update your license.

Update the License

To update an existing license:

  1. Connect to the internet.
  2. Launch Matlab.
  3. From the Help menu, select Licensing > Update Current License.  This will download the latest license file.

Reactivate Matlab

To reactivate Matlab:

  1. You will need one of the following:
    • An internet connection and a MathWorks account with activation permissions.  - OR -
    • An internet connection and the Activation Key (The installation key is included with the download. )
  2. Log in to your MathWorks account to activate the license.