Additional Information

Download the latest free virus definition files and update Norton antivirus

Latest Version Norton Virus Definitions 21st November 2020 (64-bit)
Requirements

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

Updated November 23, 2020
Author NortonLifeLock Inc.
Category Anti-Virus
License Freeware
Language English
Download 22

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 »

21st November November 23, 2020 167.3 MB 14th November November 16, 2020 166.1 MB 7th November November 09, 2020 165.4 MB 31st October November 02, 2020 165 MB 19th September September 21, 2020 161.8 MB 5th September September 07, 2020 160.9 MB