WinCC/Audit RC Upgr V7.4 -> V7.5
Reference : 6AV6371-1DV17-5BX4
WinCC/Audit RC Upgrade from V7.4 -> V7.5 SP2 for WinCC/Audit RC, and WinCC/Change Control, runtime/configuration software, on CD-ROM, single license, License key on USB flash drive ******************************* Content: Set (1x DVD + 1x USB)