To successfully install and activate DIGSI 4.93 , the configuration software for Siemens SIPROTEC protection devices, you must provide a specific serial number during the setup process. Quick Activation: Trial vs. Full License

If purchased as a DVD/CD-ROM, the serial number is usually printed on the original packaging box or an accompanying license certificate.

: This allows full functional use for 30 days, after which the license will expire and a permanent key must be entered. Full Version (Permanent License)

: The part number for the DIGSI 4 Basis engineering software is 7XS5400-0AA00 Locating your Serial

Without a valid serial number, DIGSI 4.93 will run in a limited demonstration mode or refuse to install entirely.

Siemens provides serial numbers through official product cards included with a purchased software license.

Never attempt to guess or generate a serial number. Brute-forcing is impossible due to built-in checksums, and using fake keys often triggers software tamper protection.