Click here to begin the Norton Security Online download process. Log in with your Xfinity user name and password if prompted. Create or log in to your Norton account. Download the product on the device you are using or send a link to download on another device. See full list on macupdate.com. Free Anti Virus software downloads toolbar for Internet Explorer. Find free antivirus software and resources. Easily find the free Anti Virus software you need. Includes a search function, radio stations, a weather channel and a favorites section for downloading Anti Virus and Anti spy software. Overall, Norton AntiVirus is a helpful and easy-to-use tool that can find and remove existing threats, block network attacks and prevent your Mac from being infected by viruses in the future. Antivirus solution Remove viruses Antivirus protection Antivirus Remove Protection.
Features & Benefits
How Norton Security Online helps protects your PC, Mac, and mobile devices:
- Secures multiple PCs, Macs, smartphones and tablets with a single subscription
- Helps safeguard your private information
- Manages protection for your devices with an easy-to-use web portal
- Remembers, secures and automatically enters your username and passwords
- Alerts you about risky Android apps before you download them
- Easy to install and use
Microsoft Norton Antivirus Free Download
Instructions
Installation Instructions
Follow these quick steps to get started! Comcast.net email address and password are required to continue. Find my email address.
Step 1
Have your Xfinity user ID or Comcast.net email address and password ready.
- If you don't know your user ID, find it.
- Forgot or lost your password? Reset it now.
Step 2

Uninstall any existing security software from your computer, including previous versions of Norton Security.
Click here to begin the Norton Security Online download process.
Log in with your Xfinity user name and password if prompted.
Create or log in to your Norton account.
Download the product on the device you are using or send a link to download on another device.
Step 3
Check tips and tricks if you have any issues or questions about the download process or chat with a Norton customer support representative.
Looking for more help on install? Visit our Support Page or call Norton Support at 1-877-272-7149.
System Requirements
Operating Systems Supported
Norton Security covers PCs, Macs, Androids, iPads and iPhones. Some features are not available on iPad and iPhone.
Windows Operating Systems
- Microsoft Windows 10 (all versions), except Windows 10 S. Edge browser not supported.
- Microsoft Windows 8/8.1 (all versions). Some protection features are not available in Windows 8 Start screen browsers.
- Microsoft Windows 7 (all versions) with Service Pack 1 (SP 1) or later.
- Microsoft Windows Vista (all versions) with Service Pack 1 (SP 1) or later. New features are no longer supported on Windows Vista operating systems. ID Safe browser extension is no longer supported on Windows Vista.
- Microsoft Windows XP (32-bit) Home/Professional with Service Pack 3 (SP 3) or later. New features are no longer supported on Windows XP. ID Safe browser extension is no longer supported on Windows XP.
Mac Operating Systems
- Current and previous two versions of Mac OS.
- Norton Family and Norton Family Premier features not supported.

Android Operating Systems
Auto-scan of apps on Google Play is supported on Android 4.1 or later, except for Samsung devices. Samsung devices running Android 4.2 or later are supported. For earlier versions of Android, the Google Play 'Share' function must be used to scan apps on Google Play.
iOS Operating Systems
- iOS 8 or later.
- iOS 9 or later is required for Norton Family Premier Child Monitoring app.
Required for All Installations
- A standard web browser such as Internet Explorer, Chrome, or Firefox.
Frequently Asked Questions


Xfinity Internet customers can download Norton Security Online by doing the following:
- Download here
- Go through the steps, which will include removing any existing anti-virus software from your computer, and install Norton Security Online.
Want help protecting more than five devices?
Cached
Add Norton Security Deluxe to your complimentary Norton Security Online subscription to help protect additional devices.
