This is tied to the specific "Request Code" generated by your computer.
If you do not have a registration password or dongle, the software runs in "Demo" mode. This allows you to explore the interface, but you generally cannot save projects or export data.
You may find sites claiming to offer "SeisImager Keygens" or "Full Cracked Passwords." Seismic data processing requires high precision; cracked versions are often unstable, contain malware, or produce calculation errors that can ruin a professional geotechnical report.