The answer is:
STAAD.Pro has a massive market share in infrastructure, water tanks, chemical plants, and high-rise buildings. Once you master the STAAD workflow—importing from Revit/DXF, assigning properties, running seismic analysis, and exporting calculations—you can learn any structural software in a week. staad training
If you are a civil or structural engineer, there is a certain anxiety that comes with the phrase “Run the analysis.” The answer is: STAAD