: If you are a student or researcher, check if your institution has an academic partnership with Siemens, which might grant you access to discounted or free educational licenses. Official Purchase

is a professional engineering tool for Siemens SIPROTEC 5 devices, it requires a legitimate license for full functionality. Official Ways to Get DIGSI 5

that allows you to explore the software's features without an immediate purchase. You can typically find the download on the Siemens Industry Support Portal University/Education Programs