sap2000 v21 is a new version of sap2000 series software, and it is also an integrated software for structural analysis and design in the current industry. sap2000v21 [ ☜ use your finger ] The software maintains the tradition of the original product, and is complete, intuitive and With a flexible interface, engineers who can work in transportation, industry, public utilities, sports and other fields provide unparalleled analysis engines and design tools. Compared with the previous version, csi sap2000 v21 has more powerful features. For example, DirectX graphics is now the default setting; the spectrum matching of the time history function for a given response spectrum has been implemented; automatic wind has been added according to the Russian SP 20.13330.2011 code Load; a new non-linear multi-step static load box type has been added; STL file export for 3D printing and other functions are provided, which can greatly improve the work efficiency of users. Welcome to download and experience for free.
sap2000 v21 installation tutorial:
1. Open the Install folder, find the SAP2000v2102ChineseSetup.exe file, double-click to run it as shown in the figure below: 
2. From the figure above, we can see that the Microsoft Visual C++ 2017 components need to be installed before the software is installed. We click "Install" according to the above figure. The options are as shown in the figure below: 
3. From the figure above, we can see that the Microsoft Visual C++ 2017 component is being installed. If the component is already installed on the user’s computer, the following prompt will appear: 
4. We click on the prompt according to the figure above. Yes " to continue to install the Microsoft Visual C++ 2017 components, after the installation is complete, it will automatically jump to the software installation interface, as shown in the following figure: 
5. From the above figure, we can see that the software is being decompressed and installed. After the decompression is completed, the following figure is shown : 
6. According to the above picture, we click the " Next " option to install, as shown in the following figure: 
7. According to the above picture, we check the "I accept the terms in the license agreement" option, and then click the "Next" option to install , As shown in the figure below: 
8. According to the above figure, we click the "Next" option, as shown in the figure below: 
9. From the figure above, we can see that the default installation path of the software is C:\Program Files\Computers and Structures\ For SAP2000 21, we click the "Next" option as shown in the figure above: 
10. According to the above figure, we click the "Next" option as shown in the figure below: 
11. According to the above figure, we click the "Install" option Start to install the software, as shown in the figure below:
12. From the above picture, we can see that the software is being installed, and the following picture will pop up during the installation process: 
13. According to the above picture, we can click " No ". After completion, it will be shown in the following picture: 
14. From the above picture We saw that the CSI Native Image Generator program is being installed, we need to wait patiently for the program to complete, as shown in the figure below: 
15. After the SAP2000 V21.02 software is installed, we click the "Finish" option to complete.
16. Now we open the Crack folder, as shown in the following figure: 
17. Copy and paste the SAP2000.exe file in the Crack folder into the default installation path of the software C:\Program Files\Computers and Structures\SAP2000 21, as shown below As shown: 
18. Then find the CSiNativeImageGen.exe program in the same location, as shown in the following figure: 
19. Right-click on the CSiNativeImageGen.exe program and select "Run as administrator", as shown in the following figure: 
20. According to the above figure Prompt, we press the F4 key twice in succession, as shown in the following figure: 
21. According to the prompt in the above figure, we can see the prompt "Press any key to continue", then we can press the space bar, as shown in the figure below : 
22. According to the above figure, we continue to press the F3 key twice, as shown in the figure below: 
23. We need to wait patiently for the program to complete, as shown in the figure below: 
24. From the figure above, we see " Press any key "to continue " prompt, then we can press the space bar, after the completion, as shown in the figure below:
25. According to the above picture, we can press the ESC key.
26. The installation of SAP2000 V21.02 software is complete, we now open it as shown in the figure below:
sap2000 v21 new features and enhancements:
1. Image
DirectX graphics is now the default setting.
2. Loading
1. The spectrum matching of the time history function for the given response spectrum has been realized.
2. Added automatic wind load according to the Russian SP 20.13330.2011 code.
3. Analysis
1. A new non-linear multi-step static load box type has been added.
2. Advanced application load options have been added for multi-step static load cases.
4. Frame design
1. The concrete frame design of the Russian Regulation SP 63.13320.2012 now includes the analysis of the crack width of the concrete beam.
2. Turkey TS 500-2000 (R2018), Mexico RCDF 2017, Australia AS 3600-2018 and South Korea KBC 2016 concrete frame design.
3. South Korea's KBC 2016 steel frame design code, including seismic design requirements, has been added.
5. External Import/Export
1. STL file export for 3D printing is now provided.
2. Cross-product and versionless APIs are now provided.