If you have access to the software, you can open files to view the 3D model, analytical data, or results: Open a Model : Go to the tab on the ribbon and select , or press 3D Rendering : To see a realistic view, click the 3D Rendering
Bentley’s iTwin platform allows you to convert your .std file into a lightweight web model. This is not a desktop application; it is a cloud-based STAAD Pro file viewer. staad pro file viewer