Norton Virus Definitions 28th June 2020 (64-bit) LATEST
Windows XP64 / Vista64 / Windows 7 64 / Windows 8 64 / Windows 10 64
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Norton Virus Definitions (64-bit) 2020 full offline installer setup for PC
To manually update virus definitions download and run the appropriate file (32-bit or 64-bit) and follow the instructions.
Also Available: Download Norton Security