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Oracle Instant Client Downloads for Microsoft Windows 32-bit

See the Instant Client Home Page for more information about Instant Client.

The installation instructions are at the foot of the page.

Client-server version interoperability is detailed in Doc ID 207303.1 . For example, Oracle Call Interface 18.3 can connect to Oracle Database 11.2 or later. Some tools may have other restrictions.

Permanent links to the latest packages are: Basic , Basic Light , SQL*Plus , Tools , SDK , JDBC Supplement , ODBC All files required to run OCI, OCCI, and JDBC-OCI applications

(79,333,047 bytes) (cksum - 2533480354)

The 21c Basic package requires the Microsoft Visual Studio 2017 Redistributable. Smaller version of the Basic package, with only English error messages and Unicode, ASCII, and Western European character set support

(36,468,437 bytes) (cksum - 1187222140)

The 21c Basic package requires the Microsoft Visual Studio 2017 Redistributable .

All files required to run OCI, OCCI, and JDBC-OCI applications

(75,912,092 bytes) (cksum - 1992167023)

The 19c Basic package requires the Microsoft Visual Studio 2017 Redistributable. Smaller version of the Basic package, with only English error messages and Unicode, ASCII, and Western European character set support

(35,661,716 bytes) (cksum - 1867690742)

The 19c Basic package requires the Microsoft Visual Studio 2017 Redistributable .

All files required to run OCI, OCCI, and JDBC:OCI applications

(71,881,824 bytes) (cksum - 3943816961)

The 12.2 Basic package requires the Microsoft Visual Studio 2013 Redistributable. Smaller version of the Basic package, with only English error messages and Unicode, ASCII, and Western European character set support

(33,952,164 bytes) (cksum - 3100478757)

The 12.2 Basic Light package requires the Microsoft Visual Studio 2013 Redistributable. All files required to run OCI, OCCI, and JDBC-OCI applications

(67,410,370 bytes) (cksum - 530881682)

The 12.1 Basic package requires the Microsoft Visual Studio 2010 Redistributable. Smaller version of the Basic, with only English error messages and Unicode, ASCII, and Western European character set support

(33,851,306 bytes) (cksum - 3971707995)

The 12.1 Basic Light package requires the Microsoft Visual Studio 2010 Redistributable.

Download the appropriate Instant Client packages for your platform. All installations require the Basic or Basic Light package.

Unzip the packages into a single directory such as


    C:\oracle\instantclient_12_2

Add this directory to the


    PATH

environment variable. If you have multiple versions of Oracle libraries installed, make sure the new directory occurs first in the path

Download and install the correct Visual Studio Redistributable from Microsoft. Instant Client 12.2 requires the Visual Studio 2013 redistributable. Instant Client 12.1 requires the Visual Studio 2010 redistributable .

If you intend to co-locate optional Oracle configuration files such as tnsnames.ora, sqlnet.ora, ldap.ora, or oraaccess.xml with Instant Client, then create a subdirectory


    C:\oracle\instantclient_12_2\network\admin

This is the default Oracle client configuration directory for applications linked with this Instant Client.

Alternatively, Oracle client configuration files can be put in another, accessible directory. Then set the environment variable TNS_ADMIN to that directory name.

Start your application.

ODBC users should follow the ODBC Installation Instructions .