Click on the Sophos Installer app to start the installation.
To start click on the following link which will take you to the Sophos installation files: This password may be a different password than your Mac's administrative password.
You may also be prompted to type a password to uninstall the client. When you are prompted, authenticate with your Mac's administrative username and password.Click Uninstall again to begin the uninstallation.Click the Symantec Endpoint Protection client icon on the menu bar, and then click Uninstall.Open the Symantec Endpoint Protection client, and then click Symantec Endpoint Protection and choose Uninstall Symantec Endpoint Protection.