1. Open a browser in your system with internet connection.
2. Go to https://connect.bentley.com/
3. Log in in the page with your credentials.
4. (Optional) If it requires any other permission, please provide.
5. Now, go to the bottom of the page and you will find Software Download option as shown below.
6. Click on Software Download option and it will open software download page as shown below.
7. Now, type the product name in “Search by product name” box. If you have any difficulty to find the software, please clock on “clear all” and then again search for the same. In this case just write “STAAD.Pro” and it will automatically provide you the list of software. Select the first one as shown below.
8. Now click on the green download symbol situated at the right side of the software name.
9. Keep this installer in a folder as per your requirement.
10. You can use this installer to install the software by double-clicking on it. After double clicking a window will open where you will find a question mark (Help) situated at right top corner of the window. Click on that icon to know more about installation process.