Symantec Endpoint Protection Client Installations on Windows Platforms
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260917-023-SONAR_IU_SEP.exe	09/17/2026	9/17/2026	5.87 MB			E3EF88395980B3F79F82D6A3FC2E5989
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 to 14.3 RU1
=====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260917-023-SONAR_IU_SEP_14_3_RU2.exe	09/17/2026	9/17/2026	5.87 MB			813602A57DB13CB0F0A8C2F412E49501
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU2
=====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260917-023-SONAR_IU_SEP_14_3_RU3.exe	09/17/2026	9/17/2026	5.87 MB			25F73B9F301EA91E257B191EBCCAE919
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU3
Symantec Endpoint Protection 14.3 RU4
=====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms x86
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260917-025-SONAR_IU_SEP_14_3_RU5_x86.exe	09/17/2026	9/17/2026	5.27 MB			69E09A9E59BA29279ADB2C4B5B67EDDB
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU5
=====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms x64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260917-028-SONAR_IU_SEP_14_3_RU5_x64.exe	09/17/2026	9/17/2026	6.05 MB			53C80F9C4C78FFA021D53760AD7C53EB
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU5
=====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms x64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260917-040-SONAR_IU_SEP_14_3_RU6_x64.exe	09/17/2026	9/17/2026	6.1 MB			3FFD6E9CCA5684ADE5719A8E8BD06563
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU6
=====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms x64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260917-042-SONAR_IU_SEP_14_3_RU7_x64.exe	09/17/2026	9/17/2026	6.1 MB			BDA2129BB54DF8E3912BCB5248729F6A
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU7
=====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms x64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260917-044-SONAR_IU_SEP_14_3_RU8_x64.exe	09/17/2026	9/17/2026	6.1 MB			C4255328C80993ECA04E0694CA90AF32
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU8
=====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms x64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260917-059-SONAR_IU_SEP_14_3_RU9_x64.exe	09/17/2026	9/17/2026	6.27 MB			DB9B77D207205EAC5A5434D450C4ED87
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU9
=====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms x64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260917-058-SONAR_IU_SEP_14_3_RU10_x64.exe	09/17/2026	9/17/2026	6.26 MB			8C087E3530CEE5ED862C83DA0AF7C91B
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU10
=====================================================

Symantec Endpoint Protection Client Installations on Windows Platforms ARM 64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260917-050-SONAR_IU_SEP_14_3_RU10_ARM64.exe	09/17/2026	9/17/2026	6.14 MB			9F8C9C7853D7C14690938BA23E4A7D82
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.3 RU10 ARM 64
=====================================================

Symantec Endpoint Protection 14.4 Client Installations on Windows Platforms x64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260917-056-SONAR_IU_SEP_14_4_x64.exe	09/17/2026	9/17/2026	6.27 MB			EBDD832330B28F2F11D7CA4099D507E1
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.4 x64
=====================================================

Symantec Endpoint Protection 14.4 Client Installations on Windows Platforms ARM 64
Use the executable file for client installations only if you are using one of the supported products that are listed below.
File Name	Creation Date	Release Date	File Size	Defs Version	Sequence Number	MD5 | all
sonar/20260917-051-SONAR_IU_SEP_14_4_ARM64.exe	09/17/2026	9/17/2026	6.14 MB			7F94F00BA020BF9EFF731EB2A127C23B
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.4 ARM 64