You can go to the following link to download the update file.
Note for OS X 10.2 Users: If you did not choose to run Live Update when installing Norton Anti Virus or Norton Personal Firewall, you may see this error message when you reboot: The program you are using needs to use a system file that may reduce the security of your computer. Then, run Live Update to update both Norton Anti Virus and Norton Personal Firewall. Schedule the anti-virus program to check for daily updates of virus definition files so that your computer will always be able to identify the newest viruses.
You may also want to consider creating a new Weekly scan that will update All Products.
If you have Norton installed on your computer, it can be manually updated by using the Live Update feature of the program or by manually downloading updated computer virus definitions from the Symantec website.
Some Norton users find the need to manually update the software definitions due to the automatic update feature not working.
The results will be displayed in the subsequent dialog box displayed on your computer's desktop after you complete Step 2.
This window will provide the explicit information on what anti-virus definition and software updates are being installed on your computer.Other users turn off the automatic update feature, so they can be aware of when the software program is being updated from the Symantec website.View the results of Norton Live Update downloading and installing new application updates and anti-virus definitions on your computer's installation of Norton Antivirus.This new patch is for all its products Norton Antivirus, Internet Security, Norton 360, Norton Security and Norton Security with backup. Just Go to norton update center and upgrade your Norton Softwareto the latest version And then start the windows 10 upgrade process. We found that many users who upgraded to Win 10 are complaining that Norton has disappeared from the computer. You will also see options for Norton 360, and other Norton products that will not work with the Norton Antivirus application.