Symantec Enpoint Protection For Macintosh
Step 1: Download and unzip the Macintosh installer and double-click to start the installation.
Step 2: Click Continue.

Step 3: Click Continue.

Step 4: Choose Unmanaged and click Continue.

Step 5: Click Install to start the installation process.

Step 6: Type your administrator username and password and click OK.
Step 7: Close all open programs and click Continue Installation. When the program is complete click Logout to finish the installation.