The installation file for the Apple Macintosh computer is in zip format. After the file is downloaded it will automatically unzip and install itself. Follow the instructions selecting all defaults. Select managing the antivirus program yourself.
After the antivirus program has been installed, open the Application folder and open the Symantec Systems sub-folder.
Start the Symantec Scheduler. Click the New button and create a weekly virus scan.
Click the New button and create a daily Product Update.
In the Symantec Solutions Folder, choose Live Update and click on "Update Everything Now."
When the above has completed Symantec is ready to monitor your system.