Downloading and working with the Oracle Client 11.2.0.4 (32-bit) depends on whether you need the lightweight Instant Client Full Client with administrative tools. 1. Download Options Instant Client (Easier Access):
You can download the 32-bit Instant Client directly from the Oracle Instant Client for Windows 32-bit page
. Version 11.2.0.4.0 is listed under the older releases section. Full Client (Requires Support):
The full graphical installer for version 11.2.0.4 is considered a patch set. You generally must have a valid support contract to download it from My Oracle Support (MOS)
. The specific patch number for the 11.2.0.4 32-bit client is (specifically file p13390677_112040_platform_3of6.zip 2. Making It "Work" on 64-bit Windows
If you are installing this 32-bit client on a 64-bit Windows machine (a common requirement for 32-bit applications like older versions of Excel or custom ERPs), follow these steps to ensure it works: ODBC Configuration:
use the standard ODBC Data Source Administrator from the Control Panel, as that defaults to 64-bit. Instead, run the 32-bit version located at C:\Windows\SysWOW64\odbcad32.exe to configure your connections. Environment Variables: Add the client installation directory to your system to the folder containing your tnsnames.ora file if it isn't in the default network\admin directory. Visual Studio Redistributables:
Ensure you have the corresponding Microsoft Visual C++ Redistributables installed, as the Oracle Client libraries depend on them to run. 3. System Requirements (32-bit Client) Requirement Minimum Value 512 MB (1 GB recommended for Windows 7/8/10) Disk Space
~300 MB for Instant Client; up to 1.2 GB for Full Administrator install Architecture Runs on 32-bit Windows or 64-bit Windows (x64) for setting up the tnsnames.ora file or a guide on performing a silent installation Instant Client for Windows 32-bit - Oracle oracle client 11204 download 32 bit work
Downloading and installing the Oracle Client 11.2.0.4 (32-bit) requires specific steps because this version is a legacy release typically available only through Oracle Support for users with active contracts. 1. Download Source
Oracle Support (Official): The 11.2.0.4 patch set is available on My Oracle Support. Search for Patch 13390677 (for the full 11.2.0.4 release) and filter for the Microsoft Windows (32-bit) platform.
Instant Client (Alternative): If you only need basic connectivity (OCI/ODBC), you can download the 11.2.0.4 Instant Client from the Oracle Instant Client Downloads page without a support contract. 2. Pre-Installation Requirements
Architecture Compatibility: The 32-bit client can be installed on both 32-bit and 64-bit Windows OS. System Resources:
RAM: Minimum 512 MB, though 1 GB is recommended for Windows 7/8/10.
Disk Space: Approximately 350 MB for Instant Client or up to 1.2 GB for the Administrator (Full) install. 3. Installation Steps (Full Client)
Extract Files: Unzip the downloaded win32_11gR2_client.zip to a local folder.
Run Setup: Locate setup.exe, right-click it, and select Run as Administrator. Downloading and working with the Oracle Client 11
Installation Type: Select Instant Client, Runtime, or Administrator depending on your needs. Use "Administrator" if you need management tools.
Oracle Home: Specify the Oracle Base and Software Location (e.g., C:\oracle\product\11.2.0\client_1).
Finish: Complete the installation and close the Oracle Net Configuration Assistant if it appears. 4. Configuration
Oracle Instant Client Downloads for Microsoft Windows (64-bit)
Downloading and installing the Oracle Client 11.2.0.4 32-bit depends on whether you need the Full Client (for development/tools) or the Instant Client (for application connectivity). 📥 Download Options 1. Oracle Instant Client (easiest)
If you only need to connect an application (like a 32-bit .NET or Java app) to a database, use the Instant Client. Source: Oracle Instant Client Downloads (Windows 32-bit) File: Look for instantclient-basic-nt-11.2.0.4.0.zip
Setup: Simply unzip to a folder and add that folder to your Windows PATH environment variable 2. Full Oracle Client (required for ODBC/OLEDB)
The "Full Client" includes the installer (OUI) and is required if you need drivers like ODBC or OLEDB. What if the download fails or is no longer listed
Source: This version is typically restricted to My Oracle Support (MOS) as a patchset Patch Number: 13390677 Filename: p13390677_112040_platform_3of6.zip (for 32-bit) 🛠️ Installation Steps
Extract files: Unzip the downloaded package to a local directory
Run Installer: For the full client, run setup.exe as an Administrator Set Environment Variables:
PATH: Must include the client folder (e.g., C:\oracle\product\11.2.0\client_1\bin)
TNS_ADMIN: Point this to the folder containing your tnsnames.ora file
Install Redistributables: Ensure you have the Visual Studio 2010 Redistributable installed, as 11gR2 depends on it 💡 Pro-Tips for Success Instant Client for Windows 32-bit | Oracle Polska
Oracle occasionally archives older versions. If you cannot find 11.2.0.4, contact Oracle Support (if you have a contract) or use the Oracle Software Delivery Cloud (search for "11.2.0.4 Client").
Alternative (not recommended for production): Some third-party sites archive legacy clients. Use at your own risk; always verify SHA-256 against Oracle's official hashes.
odbcad32.exe.https://www.oracle.com/database/technologies/oracle-database-software-downloads.htmlWarning: Oracle hides older releases. As of 2025, you may need to click "See All" or "Accept License Agreement."
You often see requests specifically for version 11.2.0.4 rather than 11.2.0.1 or 11.2.0.3. Here is why: