If your computer has AutoCAD 2018 or later installed on it, you can use the Open in Desktop button to open a drawing in desktop AutoCAD.
AutoCAD or AutoCAD LT 2018 or later: Because the AutoCAD web app saves drawings to the AutoCAD 2018 file format, Open in Desktop is only supported if your installed version of AutoCAD is version 2018 or later.
Windows 10, or macOS 10.14 or above
The Open in desktop plugin
To use Open in Desktop, you first need to install an AutoCAD plug-in.
To install the plugin: