Additional Information

Download the latest free virus definition files and update Norton antivirus

Latest Version Norton Virus Definitions 27th February 2021 (64-bit)
Requirements

Windows XP64 / Vista64 / Windows 7 64 / Windows 8 64 / Windows 10 64

Updated March 01, 2021
Author NortonLifeLock Inc.
Category Anti-Virus
License Freeware
Language English
Download 155

Overview

The Norton Virus Definitions 64-bit allows manual update of your Norton AntiVirus and Norton Security in case that you do not have internet connection or in case auto update fails.

To manually update virus definitions download and run the appropriate file (32-bit or 64-bit) and follow the instructions.

Previous versions More »

27th February 2021 March 01, 2021 166.7 MB 20th February 2021 February 22, 2021 165.9 MB 13th February 2021 February 15, 2021 164.6 MB 6th February 2021 February 08, 2021 163.3 MB 30th January 2021 February 01, 2021 162.6 MB 24th January 2021 January 25, 2021 161.8 MB