McAfee Internet Security is an application that can protect your computer against malware and viruses. It's available free to all Shaw Internet customers. Below you'll find links to support articles that will help you install the app, run a virus scan, schedule virus scans, and more.

McAfee Internet Security from Shaw is being discontinued

On July 11, 2023, we are discontinuing new downloads and installations of McAfee Internet Security as part of your Shaw Internet subscription.

If you're already using McAfee Internet Security, you can continue to use it on devices where it’s already installed. You will not be able to download or install it on new devices, or again on existing devices.

Visit Shaw Network Security and McAfee offerings being discontinued to learn more.

McAfee Internet Security user guides

How to run a virus scan

Learn how to run a virus scan on your computer, to detect threats like spyware and viruses.
Read: How To: Run a virus scan in McAfee Internet Security

How to open a port

If you are using an app or device that won't work while McAfee Internet Security is running, you can open a port so the device or app can access the Internet.
Read: How To: Open a port in McAfee Internet Security

How to uninstall the app

Learn how to remove the McAfee Internet Security app from your computer
Read: How To: Remove the McAfee Internet Security app

As the developer of this application McAfee offers the most up-to-date support information.  If you have questions that weren't answered here try visiting McAfee Support.

System requirements

Operating System 

  • Windows 11
  • Windows 10
  • Windows 8 / 8.1


  • 1 GHz processor or higher
  • 2 GB RAM for Windows 8 / Windows 10 / Windows 11
  • 1.3 GB of available free drive space

Internet Connection

Supported Browsers for McAfee WebAdvisor for Windows 8 and newer are listed below. Windows XP users will continue to see the existing SiteAdvisor toolbar, available in Internet Explorer 8, Firefox, and Chrome.

  • Microsoft Edge (latest build)
  • Mozilla Firefox (latest build)
  • Google Chrome (latest build)

Supported Email Programs

  • POP3 - Windows Mail, Microsoft Outlook Express, Microsoft Outlook, Netscape, IncrediMail, Thunderbird
  • MAPI - Outlook
  • Web - MSN/Hotmail, or email account with POP3 access

Required for Anti-Spam Toolbar Plug-In: 

  • Outlook Express 6.0 or later
  • Windows Mail
  • Microsoft Outlook 2000 or later
  • Thunderbird 1.5 or later
  • Anti-Spam also supports any other POP3 email client (without SSL) and web accounts

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