Check system requirements for the extension, download it from the Autodesk App Store, and run the installer.
Download the Advance Steel Revit Extension installer from the Autodesk App Store, and run the .msi to install it. After the installation is complete, you may need to restart the Autodesk product to activate the extension. When successfully installed, the Advance Steel Revit Extension panel is displayed on the Add-Ins tab in the ribbon.
To uninstall the Advance Steel Revit Extension, close the Autodesk product if you are running it:
Or