Click Authorization in the table of contents, select a version from the Version drop-down list, and click the Authorize Now button to launch the Software Authorization Wizard.On Linux, you can run License Server Administrator from the installation location using the following command: /arcgis/license10.4/LSAdmin. If you choose to do this step at a later time, on Windows, you can access License Server Administrator from Start > Programs > ArcGIS > License Manager > License Server Administrator. Complete the authorization process and start the license service.At the end of the installation, ArcGIS License Server Administrator appears. Follow the instructions to install the license manager to the desired location.Run the License Manager setup from your software download or ArcGIS installation media.Follow the steps below to install, authorize, and start the license manager: Upon purchasing your ArcGIS products, you will receive an email from Esri Customer Service listing the purchased products and associated authorization numbers and license counts.