On the overview page click âDownload Installation Mediaâ button on the right.Select the list of extensions you want to be installed on the machine, Talos version and installation media type:Click âDownloadâBoot the machine with that installation media. It will have all extensions installed.You can also add, remove or modify the extensions on an existing machine in a cluster by navigating to the âNodesâ view in a cluster, clicking on a machine, selecting the Extensions panel, then select âUpdate Extensionsâ to add or remove extensions.