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Norton AntiVirus for Windows XP/Vista/7/8

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Choosing the right definition set
To choose the correct definition set, you need to know the product name and version, and whether the operating system is a 32-bit or 64-bit version.
How to find out if you are running a 32-bit or 64-bit version of Windows
How to find the name and version of your Norton product

32-bit Platforms

The following definition sets are suitable for 32-bit operating systems only.
File Name Creation Date Release Date File Size MD5 | all
20150331-002-v5i32.exe | FTP 03/31/2015 03/31/2015 512.28 MB 9B2878EBD40F5879B2227CE9E0A22292

Supports the following versions of Symantec antivirus software:

  • Norton AntiVirus / Norton Internet Security (later than 2012)
  • Norton AntiVirus / Norton Internet Security 2008/2009/2010/2011/2012
  • Norton 360 (later than 6.0)
  • Norton 360 version 2.0/3.0/4.0/5.0/6.0
  • Symantec Endpoint Protection 12.1
  • Symantec Endpoint Protection 12.1.2 and later
  • Symantec Protection Engine 7.x for Windows
File Name Creation Date Release Date File Size MD5 | all
20150331-002-i32.exe | FTP 03/31/2015 03/31/2015 609.92 MB 967CD6FD1DE64F4017B29D6BAEC3ECB0

Supports the following versions of Symantec antivirus software:

  • Norton AntiVirus / Norton Internet Security 2007
  • Norton 360 version 1.0
  • Symantec Mail Security for Domino v 7.x
  • Symantec Mail Security for Microsoft Exchange (32-bit)
  • Symantec Scan Engine 5.x for Windows
  • Symantec AntiVirus for Caching/Messaging/NAS for Windows

64-bit Platforms

The following definition sets are suitable for 64-bit operating systems only.
File Name Creation Date Release Date File Size MD5 | all
20150331-002-v5i64.exe | FTP 03/31/2015 03/31/2015 515.16 MB 4EFA76F609D3F087D923AEEFA6D009FC

Supports the following versions of Symantec antivirus software:

  • Norton AntiVirus / Norton Internet Security (later than 2012) for 64-bit OS only
  • Norton AntiVirus / Norton Internet Security 2008/2009/2010/2011/2012 for 64-bit OS only
  • Norton 360 (later than 6.0) for 64-bit OS only
  • Norton 360 version 2.0/3.0/4.0/5.0/6.0 for 64-bit OS only
  • Symantec Endpoint Protection 12.1 for 64-bit OS only
  • Symantec Endpoint Protection 12.1.2 and later for 64-bit OS only
  • Symantec Protection Engine 7.x for Windows (64-bit)
File Name Creation Date Release Date File Size MD5 | all
20150331-002-i64.exe | FTP 03/31/2015 03/31/2015 612.88 MB A71AF60E0ACE1338E548A9C0EC21B1CB

Supports the following versions of Symantec antivirus software:

  • Norton AntiVirus / Norton Internet Security 2007 for 64-bit OS only
  • Norton 360 version 1.0 for 64-bit OS only