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/20261029-023-SONAR_IU_SEP.exe	10/29/2026	10/29/2026	5.91 MB			1E4F1980EB5A01BCCC0BB63B07DC40C0
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/20261029-023-SONAR_IU_SEP_14_3_RU2.exe	10/29/2026	10/29/2026	5.91 MB			EAD0EF963F9D5294076D25533AF17B08
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/20261029-023-SONAR_IU_SEP_14_3_RU3.exe	10/29/2026	10/29/2026	5.91 MB			588F28DCFF5999F1F144FA8870E13C0C
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/20261029-025-SONAR_IU_SEP_14_3_RU5_x86.exe	10/29/2026	10/29/2026	5.31 MB			5AB5B4D6B1E70233CC5FFD0372D3CBDE
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/20261029-019-SONAR_IU_SEP_14_3_RU5_x64.exe	10/29/2026	10/29/2026	6.09 MB			0807D2C2C526D4DC6D3CD56CA4E03816
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/20261029-065-SONAR_IU_SEP_14_3_RU6_x64.exe	10/29/2026	10/29/2026	6.14 MB			58ABAE0BA71D8C7C3CF5D59FE3B2183C
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/20261029-075-SONAR_IU_SEP_14_3_RU7_x64.exe	10/29/2026	10/29/2026	6.14 MB			055CB66116DEC5DAF36A52E25C00A3E8
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/20261029-055-SONAR_IU_SEP_14_3_RU8_x64.exe	10/29/2026	10/29/2026	6.14 MB			844F281B8E1D996855C7F7D78C77688D
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/20261029-069-SONAR_IU_SEP_14_3_RU9_x64.exe	10/29/2026	10/29/2026	6.31 MB			B879496C3B2B818B3C026DEE44887A0B
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/20261029-067-SONAR_IU_SEP_14_3_RU10_x64.exe	10/29/2026	10/29/2026	6.3 MB			1E5CCDFF6190EFFEE06E3E7923616EFB
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/20261029-061-SONAR_IU_SEP_14_3_RU10_ARM64.exe	10/29/2026	10/29/2026	6.18 MB			50E717390FAA09ED77509C1EE3E8347D
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/20261029-059-SONAR_IU_SEP_14_4_x64.exe	10/29/2026	10/29/2026	6.31 MB			EBD385D059B80A919F1E74F6764D4F49
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/20261029-063-SONAR_IU_SEP_14_4_ARM64.exe	10/29/2026	10/29/2026	6.18 MB			397B180EEA6D21266680257BCDBDE308
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.4 ARM 64