Download CSI ETABS Ultimate 20.3.0 Full Version

CSI ETABS Ultimate 20.3.0 Overview

CSI ETABS Ultimate 20.3.0 is a software application developed by Computers and Structures, Inc. (CSI) for structural analysis and design of buildings. It is a widely used software tool by engineers and architects to design and analyze various types of structures, such as high-rise buildings, bridges, and industrial structures.

ETABS stands for “Extended Three-dimensional Analysis of Building Systems”. The software offers a comprehensive set of tools for analyzing and designing buildings, including various types of structural elements such as beams, columns, walls, slabs, and foundations. It can also perform seismic analysis, response spectrum analysis, time-history analysis, and other types of dynamic analysis.

ETABS Ultimate 20.3.0 comes with several new features and enhancements, including improvements to the user interface, faster analysis and design, and new analysis options. It also includes a new concrete frame design module and enhancements to the steel frame design module. Additionally, the software offers advanced modeling capabilities such as modeling composite beams and columns, modeling diaphragm behavior, and modeling non-linear materials.

Overall, CSI ETABS is a powerful and comprehensive software tool for the analysis and design of building structures, offering a wide range of features and capabilities to help engineers and architects in their design projects.

Features of CSI ETABS Ultimate 20.3.0

Key features

  • Building Modeling: ETABS software can model complex and multi-story buildings with different structural systems such as concrete, steel, and composite.
  • Analysis: Offers various analysis options including linear and nonlinear static and dynamic analysis, time history analysis, and response spectrum analysis.
  • Design: The software can design concrete and steel members as per various design codes such as ACI, AISC, Eurocode, and BS.
  • Integration: The program can be integrated with other software such as SAFE for slab design and SAP2000 for advanced analysis and design options.
  • BIM Support: Supports Building Information Modeling (BIM) workflows through its integration with Autodesk Revit and Tekla Structures.
  • Optimization: CSI ETABS can perform optimization of steel and concrete members to minimize the overall cost of the structure.
  • Visualization: ETABS offers 3D visualization of the structure and can generate detailed reports and drawings.
  • Performance-Based Design: The software can perform performance-based seismic design, which allows engineers to optimize the design based on the expected performance during an earthquake.

New features

  • Concrete Frame Design: The new concrete frame design module allows for the design of concrete frames with automated beam and column design capabilities, including optimization of the reinforcement layout.
  • Steel Frame Design Enhancements: The steel frame design module has been enhanced with new design codes, including the latest AISC 360-16 and Eurocode 3-2015.
  • User Interface Improvements: The user interface has been updated with new icons, improved graphics, and a streamlined workflow for more efficient modeling and analysis.
  • Faster Analysis and Design: Offers faster analysis and design with enhanced algorithms, parallel processing, and multi-threading capabilities.
  • Dynamic Analysis Enhancements: The dynamic analysis capabilities have been enhanced with the ability to import and export time-history data, as well as new options for modal damping.
  • Advanced Modeling Capabilities: Includes advanced modeling capabilities, such as the ability to model semi-rigid diaphragms, creep and shrinkage effects, and design of composite slabs.
  • Integration with Other Software: ETABS software can now import and export data with other software, such as Revit, Tekla Structures, and SAFE.

System requirements

Minimum System Requirements:

  • Operating System: Microsoft Windows 10 (64-bit)
  • CPU: 64-bit Intel Pentium 4 or AMD Athlon 64 processor
  • RAM: 4 GB of RAM
  • Graphics Card: Dedicated graphics card with DirectX 11 support and at least 1 GB of VRAM
  • Screen Resolution: 1024×768

Recommended System Requirements:

  • Operating System: Microsoft Windows 10 (64-bit)
  • CPU: 64-bit Intel Core i5 or higher processor
  • RAM: 8 GB of RAM or more
  • Graphics Card: Dedicated graphics card with DirectX 11 support and at least 4 GB of VRAM
  • Screen Resolution: 1920×1080 or higher

Setup Technical Specifications

Read the setup information before you start the free download.

  • Full Name: CSI ETABS Ultimate 20.3.0
  • Setup File name: CSI.ETABS.Ultimate.20.3.0.Build.2929.(x64)
  • Full Setup Size: 764 MB
  • Setup Type: Offline Installer / Full Standalone Setup
  • Compatible With: 64 Bit (x64)

Download CSI ETABS software for Windows

CSI ETABS Ultimate 20 is available for free, with no further strings attached, through the rapid download services provided by With one click on the “Download Now” button, you can start the Free Download.

CSI ETABS Ultimate 20.3.0 Build 2929 (x64) – 764 MB

CSI ETABS Ultimate 20.2.0 Build 2914 (x64) – 763 MB



  • Whenever a password is required for a packed file, it is always
  • Installation instructions are in the downloaded file
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