Symantec Endpoint Protection Client Installations on Windows Platforms x64 Use the Core3 SDS v5i64 executable file for 64-bit 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 20260217-020-core3sdssepv5i64.exe | HTTP 02/17/2026 2/18/2026 53.41 MB 95BEDC8BB5491F6E0FEEB820DA2DFB38 Supports the following versions of Symantec antivirus software: Symantec Endpoint Protection 14.3 to 14.3 RU4 x64 (Client only) ==================================================================== Symantec Endpoint Protection Client Installations on Windows Platforms x64 Use the Core3 SDS v5i64 executable file for 64-bit 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 20260217-020-core3sdssepn64v5i64.exe | HTTP 02/17/2026 2/18/2026 53.68 MB D9FD5AFB5A155F517B45EC26B43BD51F Supports the following versions of Symantec antivirus software: Symantec Endpoint Protection 14.3 RU10 x64 (Client only) Symantec Endpoint Protection 14.3 RU9 x64 (Client only) Symantec Endpoint Protection 14.3 RU8 x64 (Client only) Symantec Endpoint Protection 14.3 RU7 x64 (Client only) Symantec Endpoint Protection 14.3 RU6 x64 (Client only) Symantec Endpoint Protection 14.3 RU5 x64 (Client only) ==================================================================== Symantec Endpoint Protection Client Installations on Windows Platforms x86 Use the Core3 SDS v5i32 executable file for 32-bit 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 20260217-020-core3sdsv5i32.exe | HTTP 02/17/2026 2/18/2026 51.38 MB 0C22D8486F2733FBB7416B7B066ADE5E Supports the following versions of Symantec antivirus software: Symantec Endpoint Protection 14.3 to 14.3 RU5 x86