ProtaStructure Suite Enterprise for Windows PC is an innovative solution for structural engineers to model, analyze and design buildings quickly and accurately. ProtaStructure Suite combines the power of ProtaStructure with the full detailing capability of ProtaDetails for the ultimate building design and detailing solution for structural engineering professionals. ProtaStructure 2018 Enterprise Suite extends professional edition with advanced time-history, staged construction and nonlinear analyses, seismic isolators, nonlinear link elements, and seismic assessment/retrofitting.