No. The application does not require any download since it is directly accessible via a website or mobile website.
To receive all services, Digital Cable, remote and lease of a Digital set-top box are required. Some services are not available to CableCARD customers. HD set-top box and HDTV set required for HD service. Not all equipment supports all services. DVR service is an optional service available for an incremental charge. All services may not be available in all areas. Remote DVR service may not be available to all mobile devices. Subject to change without notice. Some restrictions apply.