MATLAB Installation Guide for PC    

Upgrading a Demo License Installation

If you just want to upgrade a demo license to a perpetual license, without having to re-install any products or documentation, click the More Options... button on the Product List dialog box. In the dialog box displayed, select the Update license without installing anything option. Click Next and continue with the installation. When you select this option, all product selections are disabled.

You can use this option to


  Making Changes to Existing Licenses Troubleshooting a PC Installation