Mcafee Internet Security Download For Mac

McAfee Internet Security is a complete virus and online protection suite provided free of charge to Shaw customers using Windows computers.

Before you start

Before installing McAfee Internet Security, remove any existing antivirus apps from your computer. If you have an old version of Shaw Secure (Powered by F-Secure) the installation process below will automatically remove it for you. If you are using a third-party antivirus app like Norton AntiVirus or Microsoft Security Essentials, visit the app publisher's support website for uninstallation instructions.

Installing McAfee Internet Security

To install McAfee Internet Security:

  1. Visit
  2. Sign into your My Shaw account.
  3. Click My Services and select Internet.
  4. Scroll down to McAfee Internet Security and click Free Download.
  5. In the subscription window, enter your first name, last name, and email address.
    • If you previously registered for McAfee Internet Security, the button will say Re-download, and you can skip to Step 7.
  6. Click Subscribe.
  7. On the confirmation screen, click Download.

The McAfee website will open in a browser window. Follow the on-screen instructions to complete your installation. You will see an 'Installation Complete' message when finished.


If you receive the error message 'A system error has occurred. Please try again', restart your web browser and try again.

The serial number that displays on-screen is only valid for a short period of time and is unique to your installation.


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With McAfee Internet Security, count on a name you can trust to get the antivirus and identity protection you need for your PCs, Macs, smartphones, and tablets with all of the essentials like safe web browsing, firewall security, the True Key app, the Virus Protection Pledge, and more. Install McAfee security software on your Mac IMPORTANT: Before you begin, open your Downloads folder and check for any existing versions of the McAfee installer.dmg files. If you find any, rename the file. An older copy of the installer.dmg in your Downloads folder could result in your Mac using the wrong installer and preventing your product from successfully activating. Buy McAfee Internet Security 2020, 3 Device, Antivirus Software, Password Protection, 1 Year - Download Code: Read Software Reviews -

If you are running macOS 10.14, your McAfee security product must be on version 4.5.5 or later. See TS102853 for details. Version 4.5.x of the McAfee security products for Mac (such as Internet Security, Total Protection, McAfee All Access) are supported on macOS 10.12 and later. Internet Security for Mac 4.1.x is supported on Mac OSX 10.11. Usually, Internet Security for Mac detects incompatible third-party software. Sometimes, the Little Snitch app is not detected if it has an incomplete installation, or a failed uninstall. When the app is not detected, the installation of Internet Security for Mac passes the incompatible third-party detections process without incident, but it later fails.

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