For those with a valid support contract, the 11.2.0.4 version is available as Patchset 13390677 . Specifically, you need the file p13390677_112040_platform_3of6.zip for the 32-bit Windows client.
Oracle Client 11.2.0.4 (32-bit) is a legacy Oracle client release providing basic connectivity for older applications and environments; it’s stable for legacy use but outdated for security, platform support, and new features — prefer newer Oracle Instant Client or 12c/19c/21c clients where possible.
The tnsnames.ora file maps a simple local alias to the complex network address of your remote database.
: If you need the full installer (which includes tools like Net Configuration Assistant), it is typically available only via My Oracle Support Search for Patch 13390677 on MOS. For 32-bit, specifically look for the file p13390677_112040_platform_3of6.zip Database Administrators Stack Exchange 2. Installation Steps (Instant Client) Download and Unzip : Extract the files into a single directory, such as C:\oracle\instantclient_11_2 Set Environment Variables Add the directory path to your system's variable so applications can find the (Optional) Set to the folder containing your tnsnames.ora Install Redistributables oracle client 11.2.0.4 download 32 bit
On 64-bit Windows, 32-bit ODBC drivers must be managed via C:\Windows\SysWOW64\odbcad32.exe rather than the standard Control Panel shortcut.
: Ensure your application's target platform matches the client architecture. If your app is 64-bit, you must install the 64-bit Oracle Client alongside the 32-bit version. The Installer Closes Automatically on Windows 10/11
Navigate to the "Patches & Updates" tab, search for the patch number, and select the Microsoft Windows (32-bit) platform. Types of Oracle Client Installation Packages For those with a valid support contract, the 11
Choose an installation directory. It is good practice to avoid spaces in the directory name if your applications struggle with them.
$env:Path += ";C:\oracle\product\11.2.0\client_1\bin" [Environment]::SetEnvironmentVariable("TNS_ADMIN","C:\oracle\network\admin",[EnvironmentVariableTarget]::Machine)
The Full Client includes the graphical installer ( setup.exe ) and comprehensive management tools. The tnsnames
After the files are copied, the installer will automatically launch the Oracle Net Configuration Assistant. You can choose to perform typical configuration or postpone it to configure the tnsnames.ora manually later.
Article last updated: March 2025. Information accurate as per Oracle Software Delivery Cloud policies.