WINCC UPGRADE RC V7.2-> RC V7.3
Reference : 6AV6381-2AB07-3AX3
SIMATIC WinCC RC Upgrade, from V7.2 to V7.3 for SIMATIC WinCC Runtime & Configuration (RC), incl. options Redundancy, Server, User Archive, Web Navigator, Web NAV Load-Balancing, Web Diagnostics Client/Server, Data Monitor, Connectivity Pack, Connect