Double-click the CASA application to run it for the first time.Drag the CASA application to the Applications folder of your hard disk.Open the disk image file (if your browser does not do so automatically).Download the CASA disk image for your OS version from our download site.Installing CASA on Mac OS Installing CASA on Mac OS InstallationĬASA for Macintosh is distributed as self-contained Macintosh application.įor installation purposes, this means that you can install CASA by simply dragging the application to your hard disk.