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/20261020-026-SONAR_IU_SEP.exe	10/20/2026	10/20/2026	5.9 MB			0C17F5FD1EDF2F9A40E9615BBC2C08A2
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/20261020-026-SONAR_IU_SEP_14_3_RU2.exe	10/20/2026	10/20/2026	5.9 MB			6C3568DD800F38CD930AE06C1CD99FE2
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/20261020-026-SONAR_IU_SEP_14_3_RU3.exe	10/20/2026	10/20/2026	5.9 MB			5D6C63C9120C9DD87CCA1206D0422916
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/20261019-025-SONAR_IU_SEP_14_3_RU5_x86.exe	10/19/2026	10/19/2026	5.3 MB			7AF3FBEBD9C53170A583C8511F9AFFF4
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/20261020-025-SONAR_IU_SEP_14_3_RU5_x64.exe	10/20/2026	10/20/2026	6.08 MB			15ED60A272B6C248DA9AC3E0D00CD9FE
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/20261020-071-SONAR_IU_SEP_14_3_RU6_x64.exe	10/20/2026	10/20/2026	6.13 MB			5F631522D4FC419C295EEBFFB58A37C5
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/20261020-055-SONAR_IU_SEP_14_3_RU7_x64.exe	10/20/2026	10/20/2026	6.13 MB			D57B6EB187ED9E630B3A2E0B942F809E
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/20261020-057-SONAR_IU_SEP_14_3_RU8_x64.exe	10/20/2026	10/20/2026	6.13 MB			CD6EA44992DD1C7F864D80409FE916B0
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/20261020-065-SONAR_IU_SEP_14_3_RU9_x64.exe	10/20/2026	10/20/2026	6.29 MB			E3A015BF94FADD3C6ED1D0C78D19DC64
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/20261020-053-SONAR_IU_SEP_14_3_RU10_x64.exe	10/20/2026	10/20/2026	6.29 MB			024302C2BDBCBE7427F93A4289C8B06B
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/20261019-069-SONAR_IU_SEP_14_3_RU10_ARM64.exe	10/19/2026	10/19/2026	6.16 MB			086DC701BF0B6CEADEE0AFD830EF0A40
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/20261019-067-SONAR_IU_SEP_14_4_x64.exe	10/19/2026	10/19/2026	6.29 MB			ACBFD20DE03E1BC2DA9CCF0D41F27623
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/20261019-061-SONAR_IU_SEP_14_4_ARM64.exe	10/19/2026	10/19/2026	6.16 MB			AFFADE48B2889EEEBE06BC26E1CD3757
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.4 ARM 64