Survey Data DoctorDownload
The installer is the full programme. Without a licence it runs as a 7-day trial.
Try it on your own data, for 7 days.
Install, press Start trial, open a line. No account and no card. The trial and the licence both work without internet.
Download SDD-Setup-3.5.2b.exe- Version
- 3.5.2b · 05.11.2026
- Size
- 274 MB (274,228,104 bytes)
- System
- Windows 10/11 64-bit, 16 GB RAM
- SHA-256
- fc946ca310be8cc3010c60bcf81eef9e00dca7326de0697b51eb21dea0420383
- InstallRun the installer. About 600 MB on disk.
- Start the trialHelp › Licence › Start trial: 7 days, every function, once per computer.
- Buy when readySend the computer code from the same window; the licence file turns the trial into the full version.
Check the file
Compare the SHA-256 of the downloaded file with the one above. In PowerShell:
Get-FileHash .\SDD-Setup-3.5.2b.exe -Algorithm SHA256Windows warning
The installer is signed with the publisher's own certificate, so Windows SmartScreen may warn the first time. Check the SHA-256, then choose More info › Run anyway. A company IT department can add our certificate to Trusted Publishers once — ask us for it.
System requirements
- Operating system
- Windows 10 or 11, 64-bit
- Memory
- 16 GB for ordinary surveys; 32 GB or more for tens of millions of soundings
- Disk
- About 600 MB for the programme, plus several GB of working cache for a large survey
- Graphics
- Any adapter with current drivers; the 3D editors use OpenGL
- Internet
- Not needed