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 Help protect your computer with Norton Security Online. Xfinity is committed to keeping you and your family safe online. Available at no extra cost to Xfinity Internet customers, Norton Security Online helps protect your PC, Mac and mobile device from online threats.   Download Norton Security Online on your PC Downloading Norton's suite of software on your PC is a breeze. Just follow these steps: Have your   Xfinity username   and   password   ready. If you don't know your Xfinity username, you can find it using the   online Xfinity username recovery lookup tool. Forgot or lost your password? Reset it now with our   password reset tool. Uninstall any existing security software from your computer, including previous versions of Norton. Directly   download Norton Security Online. Enter your Xfinity username and password if prompted. Create or log in to your Norton account and then follow Norton's installation steps. Questions on installation?   View additional information on PC installation. Looking to install on a   Mac   or   mobile device? Install instructions for Mac and mobile are also available. Learn more about other Internet security products and services and take full advantage of security benefits on our   site.   Features If you're already a paying Norton subscriber and would like to switch to our complimentary subscription included with Xfinity Internet,   follow these steps. **Note**:   If you discontinue your Xfinity Internet subscription, your complimentary Norton Security Online license will also be discontinued. If you've never used the suite of Norton security software before, check out what it does: Helps secure multiple PCs, Macs, smartphones and tablets with a single subscription. Helps safeguard your private and financial information. Manages protection for your devices with an easy-to-use web portal. Remembers, helps secure and automatically enters your usernames and passwords. Alerts you about risky Android apps before you download them. Is easy to install and use.   Norton Security Online System Requirements **Note**:   Norton Security Online can be downloaded and activated on up to five devices.   Check out the latest system requirements.   Operating Systems Supported Windows Mac Mobile device   I have a Windows computer Operating Systems Microsoft Windows 10 (All versions except Windows 10 S) Microsoft Windows 8.1 or later (32-bit and 64-bit) Microsoft Windows 8 and Windows 8 Pro (32-bit and 64-bit) Microsoft Windows 7 (32-bit and 64-bit) with Service Pack 1 or later Microsoft Windows Vista (32-bit and 64-bit) with Service Pack 1 or later (Note:   New features are no longer supported on Windows Vista operating systems) Microsoft Windows XP with Service Pack 3 (Note:   New features are no longer supported on Windows XP operating systems.)   Hardware Processor For Windows 10/8/7/Vista: 1 GHz For Windows XP: 300 MHz RAM For Windows 10: 2 GB (minimum of 512 MB RAM required for Recovery Tool) For Windows 8/7: 1 GB (32-bit) or 2 GB (64-bit) (minimum of 512 MB RAM required for Recovery Tool) For Windows Vista: 512 MB For Windows XP: 256 MB Hard disk space 300 MB of available hard disk space   Browser Support for Vulnerability Protection The following browsers are supported for Vulnerability Protection. Microsoft Internet Explorer 8.0 or higher (32-bit and 64-bit) 1,2 Mozilla Firefox (32-bit and 64-bit) 2 Google Chrome (32-bit and 64-bit) 2   Browser Support for Phishing Protection, Safe Search and Password Management The following browsers are supported for Phishing Protection, Safe Search, and Password Management. Microsoft Internet Explorer 8.0 or higher (32-bit and 64-bit) 1,2 Mozilla Firefox (32-bit and 64-bit) 2 Google Chrome (32-bit and 64-bit) 2 Microsoft Edge 3   Email Clients Norton Security supports email scanning on all POP3 compatible email clients. Support for Antispam The following email client is supported for Antispam: Microsoft Outlook 2003 and later 1  Some protection features are not available in Microsoft Internet Explorer 10.0 or later. 2  As made available by Symantec within your service period. 3  Norton Identity Safe support for Microsoft Edge browser is currently available in English only. I have a Mac Operating system updates contain critical security-related updates and it is a security best practice to always update to the latest version of the operating system. We encourage you to upgrade to the latest version of Mac OS X. Operating systems Norton Security for Mac OS X will only support the latest and two previous versions of the Mac OS X operating system. Hardware Mac computer with Intel Core 2 Duo, core i3, Core i5, core i7, or Xeon processor 2 GB of RAM 300 MB of available hard disk space Internet connection for LiveUpdate   Browsers Supported Safari 1,2 Mozilla Firefox 1,2 Google Chrome 1 1   As made available by Symantec within your service period. 2   Supports current and the most recent previous 32-bit major releases. I have a Mobile device To successfully install Norton Mobile Security, your device must meet the following minimum requirements: System requirements for Android Operating systems Android 4.0.3 or later Device requirements Android tablet or Phone with 15 MB storage space Browser Support for Web Protection ​Android standard Internet browser Google Chrome 18 for Android, or later Mozilla Firefox for Android 37.0.2 or later Opera 8.0 or later Samsung standard browser 1.0 or later Requires an active Internet connection for device registration and to use the web-based Anti-Theft features.   System requirements for iOS Operating systems iOS 8.0 or later   System requirements for Windows Norton Mobile Security is not compatible with Microsoft Windows 10 Mobile.   For more information about Norton Security Online, check the Norton website here: https://support.norton.com/sp/en/us/norton-security/current/info?abproduct=Norton+Security&abversion...   If you have any questions/comments, please let us know by starting a new thread.

Please note:  These instructions should also be followed if changing from one Norton product to another. ie a paid/trial subscription from Norton to the Comcast version, or a version upgrade of NSS which is more than one upgrade old.   If you use Identity Safe, backup your Identity Safe data (See Export instructions here-   http://forums.comcast.net/t5/Security-and-Anti-Virus/How-to-Export-Import-NSS-Identity-Safe-Data/m-p...     Uninstall NSS via normal removal procedures. (Add/Remove programs )   After it is uninstalled, run the Norton Remove and Reinstall Tool following the instructions here:  http://us.norton.com/support/kb/web_view.jsp?wv_type=public_web&selected_nav=partner&pvid=&docurl=20...   After running the Removal Tool, reboot and download and install a fresh copy of NSS from here:  http://constantguard.comcast.net/norton?cid=NET_33_601   Once installation is complete, open NSS and manually Run LiveUpdate (located on drop-down under PC Security on left side of main page of NSS) as many times as necessary for it to respond "no more updates available". If a reboot is requested, reboot and then continue to Run LiveUpdate until it responds "no more updates available" and then reboot one last time.  Your installation should now be up to date definition wise and ready for use.   After installation and update, complete the Import portion of the instructions here for Identity Safe Data here -   http://forums.comcast.net/t5/Security-and-Anti-Virus/How-to-Export-Import-NSS-Identity-Safe-Data/m-p...

If you use Identity Safe, backup your Identity Safe data See Export instructions here  http://forums.comcast.net/t5/Security-and-Anti-Virus/How-to-Export-Import-NSS-Identity-Safe-Data/m-p...     Uninstall NSS via normal removal procedures. (Add/Remove programs ) Please Note:  During the uninstall of NSS, you should select the top option "I plan to reinstall a Norton Product in the future.  Please leave my settings behind."  The reason for the backup (Export/Import of ID Safe data) is a safety factor.     Follow the instructions found here:  http://constantguard.comcast.net/norton?cid=NET_33_601 to download and install a fresh copy of NSS.   Once installation is complete, open NSS and manually Run LiveUpdate (located on drop-down under PC Security on left side of main page of NSS) as many times as necessary for it to respond "no more updates available". If a reboot is requested, reboot and then continue to Run LiveUpdate until it responds "no more updates available" and then reboot one last time.  Your installation should now be up to date definition wise and ready for use.   After installation and update,if your Identity Safe data was not reinstalled, complete the Import portion of the instructions here for Identity Safe Data   http://forums.comcast.net/t5/Security-and-Anti-Virus/How-to-Export-Import-NSS-Identity-Safe-Data/m-p...

  For those of you who have an anti-virus/security program/suite installed on your system, it is important to remove those programs prior to installing NSS.  It is recommended that the programs first be removed via Control Panel > Add/Remove Programs.  Once the program is removed, do a search for a Removal Tool for that program.  Many programs have removal tools available and insure a more thorough removal of the old program and a better chance of a clean install of NSS.   Here is a suggested link to assist with the removal: http://support.kaspersky.com/us/consumer/tools-utilities?_ga=1.54697835.1371605271.1460378651   Insure your Windows Firewall is turned on.   Turn off all your remaining anti-malware tools (except Windows Firewall) and reboot.   The Norton Security Suite,is available only for Comcast High Speed Internet customers.  You can go to the “Get Comcast Norton”  page   http://constantguard.comcast.net/norton?cid=NET_33_601 and confirm each of the prerequisites listed there and the minimum system requirements on subsequent pages. You may be required to logon with a Comcast.net Identifier that you use for Comcast Email or for this Forum before you download.   Please follow the instructions for installation and view the video for more clarification.   Once installation is complete, open NSS and manually Run LiveUpdate (located on drop-down under PC Security left side of main page of NSS) as many times as necessary for it to respond "no more updates available". If a reboot is requested, reboot and then continue to Run LiveUpdate until it responds "no more updates available" and then reboot one last time.  Your installation should now be up to date definition wise and ready for use.   If any problems/questions feel free to start a new thread on the Anti-Virus Software & Internet Security Board and we'll provide assistance.