Norton Antivirus updates your virus definitions regularly and automatically once installed. This is done via the “Live Update” service which runs in the background of your PC, checking for updates and downloading the updated virus deinition file.

To perform the update manually, open the Norton antivirus software panel and simply click on the “LiveUpdate” button to start the process. The software will check the symantec server for new virus definition file.

Automatic LiveUpdate

In order to ensure that your norton antivirus program stay updated, it’s advisable to enable the automatic update feature. From the software panel, click on the “Options” table to reveal the following screen:

From this screen, you will be able to control the characteristics of the updating schedule and process.

Norton Antivirus Renewal

In the event that your software licenses has expired, the only way to continue receiving updates is to renew your license by purchasing the latest version from Symantec.

As an existing owner, you can enjoy up to 40% off by upgrading the software from the Norton Upgrade Center.