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/20261022-022-SONAR_IU_SEP.exe	10/22/2026	10/22/2026	5.9 MB			8EE154E2412E5C444897DB077546B15E
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/20261022-022-SONAR_IU_SEP_14_3_RU2.exe	10/22/2026	10/22/2026	5.9 MB			2DEA860F36C7851280378EAEE48D4908
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/20261022-022-SONAR_IU_SEP_14_3_RU3.exe	10/22/2026	10/22/2026	5.9 MB			B8E4A7B87031EC619C67D8F0883541E9
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/20261022-019-SONAR_IU_SEP_14_3_RU5_x86.exe	10/22/2026	10/22/2026	5.3 MB			19E83C834DA8CC04D0577A35A780864F
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/20261022-024-SONAR_IU_SEP_14_3_RU5_x64.exe	10/22/2026	10/22/2026	6.08 MB			0EBB7901D963FE90DC217370E37FCCB2
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/20261022-055-SONAR_IU_SEP_14_3_RU6_x64.exe	10/22/2026	10/22/2026	6.13 MB			4AC24ED0CD35AC3A13DDA2F497CAB58D
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/20261022-071-SONAR_IU_SEP_14_3_RU7_x64.exe	10/22/2026	10/22/2026	6.13 MB			0DF333908D0138F7DC16DA082A6EE1F3
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/20261022-075-SONAR_IU_SEP_14_3_RU8_x64.exe	10/22/2026	10/22/2026	6.13 MB			959B4D3D4B556FBE9F685762458C6F3E
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/20261022-065-SONAR_IU_SEP_14_3_RU9_x64.exe	10/22/2026	10/22/2026	6.29 MB			E9B118217097EC8648D25F20D169D4E7
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/20261022-061-SONAR_IU_SEP_14_3_RU10_x64.exe	10/22/2026	10/22/2026	6.29 MB			BFE104AC8B1073E2BF800BDAD025814C
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/20261022-057-SONAR_IU_SEP_14_3_RU10_ARM64.exe	10/22/2026	10/22/2026	6.16 MB			7AA180C0D2615ADB0BDB38F0B412B763
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/20261022-059-SONAR_IU_SEP_14_4_x64.exe	10/22/2026	10/22/2026	6.29 MB			06D2735A5A07617854A9A0EF9B134771
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/20261022-067-SONAR_IU_SEP_14_4_ARM64.exe	10/22/2026	10/22/2026	6.17 MB			CB12A4D460E8ADFAF3A8BA20E346FDA7
This updater is suitable for the following versions of Symantec products:
Symantec Endpoint Protection 14.4 ARM 64