To install your Norton device security product on Mac, you need to have Mac OS X 10.10.x (Yosemite) or later. To know the version of the Mac operating system installed on your Mac, click the Apple menu icon at the top-left corner, and then click About This Mac.
Sign in to your account.
Type in your email address and password for Norton, and click Sign In.
In the My Norton portal, click Download.
In the Get Started page, click Agree & Download.
When the download finishes, double-click the file that you downloaded to launch the Norton installer.
Before you install Norton, click Norton License Agreement to read the product license agreement.
Depending on your operating system, select one of the following:
Norton For Mac Free Trial Download
Norton 360 Deluxe Trial
Norton AntiVirus is a powerful application designed to protect your Mac against viruses, malware and network vulnerabilities that would allow others to access your system. Scans for and blocks multiple types of threats automatically. Norton AntiVirus. Norton AntiVirus is a powerful application designed to protect your Mac against viruses, malware and network vulnerabilities that would allow others to access your system. Scans for and blocks multiple types of threats automatically. Norton AntiVirus offers several protection modules that work together to keep your Mac safe at all times. Norton Security Deluxe for Mac protects your Mac and other devices against a range of cyberthreats. It provides cover for up to 5 devices including Mac, Windows and mobile devices, all of which can be managed from one central, easy-to-use web portal. Norton Security Deluxe for Mac has a 100% virus detection rate for Mac, and is consistently top.