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Instant Client Downloads for Microsoft Windows (x64) 64-bit

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

The installation instructions are at the foot of the page.

Oracle Client-to-Oracle Database version interoperability is detailed in Doc ID 207303.1. For example, applications using Oracle Call Interface 19 can connect to Oracle Database 11.2 or later. Some tools may have other restrictions.

Version 19.3.0.0.0

Base - one of these packages is required

Name

Download

Description

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

(81,818,443 bytes) (cksum - 3077560575)

The 19.3 Basic package requires the Microsoft Visual Studio 2017 Redistributable.

Basic Light Package Smaller version of the Basic package, with only English error messages and Unicode, ASCII, and Western European character set support

(41,553,502 bytes) (cksum - 3061946766)

The 19.3 Basic package requires the Microsoft Visual Studio 2017 Redistributable.

Tools - optional packages

Name

Download

Description

SQL*Plus Package The SQL*Plus command line tool for SQL and PL/SQL queries

(973,291 bytes) (cksum - 260807009)

Tools Package Includes Data Pump, SQL*Loader and Workload Replay Client

(1,057,502 bytes) (cksum - 2845670726)

Development and Runtime - optional packages

Name

Download

Description

SDK Package Additional header files and an example makefile for developing Oracle applications with Instant Client

(1,858,973 bytes) (cksum - 1565888765)

JDBC Supplement Package Additional support for Internationalization under JDBC

(1,586,321 bytes) (cksum - 1971804716)

ODBC Package Additional libraries for enabling ODBC applications

(862,681 bytes) (cksum - 4113171302)

Precompiler Package Precompiler Downloads Additional files for Pro*C and Pro*COBOL

Version 18.5.0.0.0

Base - one of these packages is required

Name

Download

Description

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

(77,769,261 bytes) (cksum - 1317689833)

The 18.5 Basic package requires the Microsoft Visual Studio 2013 Redistributable

Basic Light Package Smaller version of the Basic package, with only English error messages and Unicode, ASCII, and Western European character set support

(39,177,858 bytes) (cksum - 2058932148)

The 18.5 Basic package requires the Microsoft Visual Studio 2013 Redistributable.

Tools - optional packages

Name

Download

Description

SQL*Plus Package The SQL*Plus command line tool for SQL and PL/SQL queries

(974,185 bytes) (cksum - 3454636626)

Tools Package Includes Data Pump, SQL*Loader and Workload Replay Client

(1,004,204 bytes) (cksum - 1254374575)

Development and Runtime - optional packages

Name

Download

Description

SDK Package Additional header files and an example makefile for developing Oracle applications with Instant Client

(1,829,323 bytes) (cksum - 1367867993)

JDBC Supplement Package Additional support for Internationalization under JDBC

(1,581,831 bytes) (cksum - 2123195004)

ODBC Package Additional libraries for enabling ODBC applications

(766,984 bytes) (cksum - 2984061786)

Precompiler Package Precompiler Downloads Additional files for Pro*C and Pro*COBOL

Version 12.2.0.1.0

Base - one of these packages is required

Name

Download

Description

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

(75,062,441 bytes) (cksum - 1462971172)

The 12.2 Basic package requires the Microsoft Visual Studio 2013 Redistributable.

Basic Light Package Smaller version of the Basic package, with only English error messages and Unicode, ASCII, and Western European character set support

(37,128,586 bytes) (cksum - 865082268)

The 12.2 Basic Light package requires the Microsoft Visual Studio 2013 Redistributable.

Tools - optional packages

Name

Download

Description

SQL*Plus Package The SQL*Plus command line tool for SQL and PL/SQL queries

(959,896 bytes) (cksum - 3056233076)

Tools Package Includes Data Pump, SQL*Loader and Workload Replay Client

(1,016,027 bytes) (cksum - 3645067508)

Development and Runtime - optional packages

Name

Download

Description

SDK Package Additional header files and an example makefile for developing Oracle applications with Instant Client

(1,801,992 bytes) (cksum - 3191784704)

JDBC Supplement Package Additional support for Internationalization under JDBC

(1,576,298 bytes) (cksum - 2378954267)

ODBC Package Additional libraries for enabling ODBC applications (Updated 9/20/2017)

(804,715 bytes) (cksum - 1844846476)

Precompiler Package Precompiler Downloads Additional files for "proc" binary and related files to precompile a Pro*C application and demo

Version 12.1.0.2.0

Name

Download

Description

Instant Client Package - Basic All files required to run OCI, OCCI, and JDBC-OCI applications

(72,416,242 bytes) (cksum - 1751087003)

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

Instant Client Package - Basic Light Smaller version of the Basic, with only English error messages and Unicode, ASCII, and Western European character set support

(38,837,115 bytes) (cksum - 1745949615)

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

Instant Client Package - JDBC Supplement Additional support for XA, Internationalization, and RowSet operations under JDBC

(1,574,297 bytes) (cksum - 3613358776)

Instant Client Package - SQL*Plus Additional libraries and executable for running SQL*Plus with Instant Client

(876,515 bytes) (cksum - 1826332995)

Instant Client Package - SDK Additional header files and an example makefile for developing Oracle applications with Instant Client

(2,748,874 bytes) (cksum - 1448203088)

Instant Client Package - ODBC Additional libraries for enabling ODBC applications

(518,721 bytes) (cksum - 675718609)

Instant Client Package - WRC Workload Replay Client used to replay workload for RAT's DB Replay Feature

(15,237 bytes) (cksum - 2158108932)

Precompiler Package Precompiler Downloads Additional files for "proc" binary and related files to precompile a Pro*C application and demo

Version 11.2.0.4.0

Name

Download

Description

Instant Client Package - Basic All files required to run OCI, OCCI, and JDBC-OCI applications

(54,956,947 bytes)

Instant Client Package - Basic Light Smaller version of the Basic, with only English error messages and Unicode, ASCII, and Western European character set support (10.2 only)

(23,504,640 bytes)

Instant Client Package - JDBC Supplement Additional support for XA, Internationalization, and RowSet operations under JDBC

(1,565,996 bytes)

Instant Client Package - SQL*Plus Additional libraries and executable for running SQL*Plus with Instant Client

(821,172 bytes)

Instant Client Package - SDK Additional header files and an example makefile for developing Oracle applications with Instant Client

(1,446,625 bytes)

Instant Client Package - ODBC Additional libraries for enabling ODBC applications

(1,358,385 bytes)

Instant Client Package - WRC Workload Replay Client used to replay workload for RAT's DB Replay Feature

(13,542 bytes)

Precompiler Package Precompiler Downloads Additional files for "proc" binary and related files to precompile a Pro*C application and demo

Version 11.1.0.7.0

Name

Download

Description

Instant Client Package - Basic All files required to run OCI, OCCI, and JDBC-OCI applications

(49,416,845 bytes)

Instant Client Package - Basic Light Smaller version of the Basic, with only English error messages and Unicode, ASCII, and Western European character set support (10.2 only)

(20,050,763 bytes)

Instant Client Package - JDBC Supplement Additional support for XA, Internationalization, and RowSet operations under JDBC

(1,563,961 bytes)

Instant Client Package - SQL*Plus Additional libraries and executable for running SQL*Plus with Instant Client

(828,923 bytes)

Instant Client Package - SDK Additional header files and an example makefile for developing Oracle applications with Instant Client

(897,394 bytes)

Instant Client Package - ODBC Additional libraries for enabling ODBC applications

(1,322,266 bytes)

Instant Client Package - WRC Workload Replay Client used to replay workload for RAT's DB Replay Feature

(5,076 bytes)

Precompiler Package Precompiler Downloads Additional files for "proc" binary and related files to precompile a Pro*C application and demo

Version 10.2.0.5

Name

Download

Description

Instant Client Package - Basic All files required to run OCI, OCCI, and JDBC-OCI applications

(36,255,100 bytes)

Instant Client Package - Basic Light Smaller version of the Basic, with only English error messages and Unicode, ASCII, and Western European character set support (10.2 only)

(12,218,457 bytes)

Instant Client Package - JDBC Supplement Additional support for XA, Internationalization, and RowSet operations under JDBC

(1,475,200 bytes)

Instant Client Package - SQL*Plus Additional libraries and executable for running SQL*Plus with Instant Client

(764,303 bytes)

Instant Client Package - SDK Additional header files and an example makefile for developing Oracle applications with Instant Client

(802,412 bytes)

Instant Client Package - ODBC Additional libraries for enabling ODBC applications

(1,324,040 bytes)

Instant Client Installation for Microsoft Windows 64-bit

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

Client-server version interoperability is detailed in Doc ID 207303.1. For example, Oracle Call Interface 19, 18 and 12.2 can connect to Oracle Database 11.2 or later. Some tools may have other restrictions.

  1. Download the appropriate Instant Client packages for your platform. All installations require the Basic or Basic Light package.
  2. Unzip the packages into a single directory such as C:\oracle\instantclient_19_3
  3. 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. Restart any terminal windows or otherwise make sure the new PATH is used by your applications.
  4. Download and install the correct Visual Studio Redistributable from Microsoft. Instant Client 19 requires the Visual Studio 2017 redistributable. Instant Client 18 and 12.2 require the Visual Studio 2013 redistributable. Instant Client 12.1 requires the Visual Studio 2010 redistributable.
  5. 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 such as C:\oracle\instantclient_19_3\network\admin
  6. 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.

  7. Start your application.
  8. ODBC users should follow the ODBC Installation Instructions.