WINCC UPGR RC V7.2/7.3 -> RC V7.5
Reference : 6AV6381-2AB07-5AX3
SIMATIC WinCC RC SW Upgrade from V7.2/7.3 to V7.5 SP2 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 Pac