Installing Release 12.1 on UNIX Workstations (MATLAB Installation Guide for Unix) MATLAB Installation Guide for Unix     Managing Your Licenses  If you need to: Transfer a license to another CPU Combine licenses Move toolboxes from one license to another Change a license registration Update your contact information Go to the MathWorks Web site at www.mathworks.com, click on Contact Us and select Contact Customer Service. Depending on what you want to do, you will need the License Numbers and names of the products you want to change and the hostid of your license server. If you want to purchase additional products, go to the MathWorks Web site and visit our Web store. There you can purchase individual products or product suites, add products to an existing license, purchase subscription service, and many other options. If you do not have Web access, you can contact The MathWorks via telephone at 508-647-7000.  Saving Your MATLAB Environment License Management