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Norton Definitions for Windows XP/Vista/7/8/8.1/10

As new threats emerge, Symantec immediately builds new protection updates and makes them available for download on a subscription basis. If your subscription has expired, click here.

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
20180717-009-core3sdsv5i32.exe | FTP 07/17/2018 07/17/2018 79.98 MB 1811ADD3300452B5C3D740950A20D6F7

Supports the following versions of Symantec antivirus software:

  • Norton Security (version 22.7 to 22.8)
  • Norton Security with Backup (version 22.7 to 22.8)
  • Norton AntiVirus / Norton Internet Security (version 22.7 to 22.8)
  • Norton 360 (version 22.7 to 22.8)
File Name Creation Date Release Date File Size MD5 | all
20180711-001-core31sdsv5i32.exe | FTP 07/11/2018 07/11/2018 81.66 MB 62B491CBDA37E32C7F966BBC685EF48A

Supports the following versions of Symantec antivirus software:

  • Symantec Endpoint Protection Cloud (version 22.10)
  • Symantec Endpoint Protection 14.0 RU1 (Low-Bandwidth clients only)
File Name Creation Date Release Date File Size MD5 | all
20180717-009-core3sdsg2v5i32.exe | FTP 07/17/2018 07/17/2018 79.99 MB 35D2B35DA9CA4E1808CBC02D2ECF3FF1

Supports the following versions of Symantec antivirus software:

  • Norton Security (version 22.9, 22.10 and later)
  • Norton Security with Backup (version 22.9, 22.10 and later)
  • Norton AntiVirus / Norton Internet Security (version 22.9, 22.10 and later)
  • Norton 360 (version 22.9, 22.10 and later)
File Name Creation Date Release Date File Size MD5 | all
20180717-009-v5i32.exe | FTP 07/17/2018 07/17/2018 194.48 MB D70D73274E42E48289F63F1CFF970E06

Supports the following versions of Symantec antivirus software:

  • Norton AntiVirus / Norton Internet Security (later than 2012, up to version 22.6.x.x)
  • Norton AntiVirus / Norton Internet Security 2008/2009/2010/2011/2012
  • Norton 360 (later than 6.0, up to version 22.6.x.x)
  • Norton 360 version 2.0/3.0/4.0/5.0/6.0
  • Norton Security (up to version 22.6.x.x)
  • Norton Security with Backup (up to version 22.6.x.x)
  • Symantec Endpoint Protection 12.1
  • Symantec Endpoint Protection 12.1.2 and later
  • Symantec Protection Engine 7.x for Windows
  • 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
20180717-009-core3sdsv5i64.exe | FTP 07/17/2018 07/17/2018 80.01 MB 0056CCBACF699AA1A3CA6A3BE40F9FED

Supports the following versions of Symantec antivirus software:

  • Norton Security (version 22.7 to 22.8)
  • Norton Security with Backup (version 22.7 to 22.8)
  • Norton AntiVirus / Norton Internet Security (version 22.7 to 22.8)
  • Norton 360 (version 22.7 to 22.8)
File Name Creation Date Release Date File Size MD5 | all
20180711-001-core31sdsv5n64.exe | FTP 07/11/2018 07/11/2018 82.86 MB F656DFECDF0DDC3F8E7F44005E60B027

Supports the following versions of Symantec antivirus software:

  • Symantec Endpoint Protection Cloud (version 22.10)
  • Symantec Endpoint Protection 14.0 RU1 (Low-Bandwidth clients only)
File Name Creation Date Release Date File Size MD5 | all
20180717-009-core3sdsg2v5i64.exe | FTP 07/17/2018 07/17/2018 81.18 MB 02AE809203BBCC948C0FD368E5B742E3

Supports the following versions of Symantec antivirus software:

  • Norton Security (version 22.9, 22.10 and later)
  • Norton Security with Backup (version 22.9, 22.10 and later)
  • Norton AntiVirus / Norton Internet Security (version 22.9, 22.10 and later)
  • Norton 360 (version 22.9, 22.10 and later)
File Name Creation Date Release Date File Size MD5 | all
20180717-009-v5i64.exe | FTP 07/17/2018 07/17/2018 195.97 MB 5E81FC31D597867508919332279CD0BD

Supports the following versions of Symantec antivirus software:

  • Norton AntiVirus / Norton Internet Security (later than 2012, up to version 22.6.x.x) 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, up to version 22.6.x.x) for 64-bit OS only
  • Norton 360 version 2.0/3.0/4.0/5.0/6.0 for 64-bit OS only
  • Norton Security (up to version 22.6.x.x)
  • Norton Security with Backup (up to version 22.6.x.x)
  • 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)
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