You can "develop" substation automation logic and device configurations using the following built-in functional editors: Siemens SiePortal DIGSI 5 - Software for SIPROTEC 5 - Siemens SiePortal
Even with a legitimate DIGSI 5 Siemens download, you may encounter issues. Here are the top three: digsi 5 siemens download
Siemens provides various versions of DIGSI 5, typically as full installers that include a for the Premium version. You can "develop" substation automation logic and device