If you already own WinCC flexible or WinCC (TIA Portal) , ProSave is included on the installation DVD. Look for it in the \Support\ProSave\ folder. Key Functions of SIMATIC ProSave
Compatible with various interfaces including Ethernet , MPI/PROFIBUS DP , and USB . Compatibility and System Requirements simatic prosave v10 download link
Transfer authorizations and licenses between your configuration PC and the HMI device. If you already own WinCC flexible or WinCC