It looks like you're looking for the for ETABS v23 (a structural engineering software from CSI).
Para obtener el instalador oficial y realizar una configuración segura, siga estos pasos: ETABS v23.0.0 Release Notes - CSI descargar etabs v23 offline installer
The solver architecture has been optimized for multi-threaded execution, reducing processing times for large-scale, non-linear dynamic analyses. Enhanced P-Delta effects and buckling analysis algorithms provide highly precise performance assessments under lateral seismic and wind loads. Performance-Based Design (PBD) It looks like you're looking for the for