| Version | Change log |
| ORTWIN 17.03 Jun 18, 2021 | Program is faster and more stable using a new development system. All databases actualized on 1st. January 2021. Territorial Reform in Thuringia of the year 2019 implemented. View of localities in OpenStreetMap, Google Maps, Google Earth. Determining the wind load zones and snow load zones. |
| ORTWIN 12.12 Feb 23, 2016 | All databases actualized on 1st. January 2015. View of localities in OpenStreetMap, Google Maps, Google Earth. WINDOWS©10 certification after 32Bit / 64Bit intensive test. 8100 new town quarters added. 34600 location coordinates changed with higher accuracy. Travel areas and solar irradiation added. |
