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Open a command prompt as Administrator, navigate to your folder, and run odbc_install.exe . You should see a "successfully installed" message.

Ensure you have the Microsoft Visual C++ Redistributable installed, as the driver depends on these libraries to function. 4. Setting Up a Data Source Name (DSN) download oracle 19c odbc driver

Before starting, determine whether you need the or 64-bit version. This must match the architecture of the application using the driver (e.g., if you are using 32-bit Microsoft Excel, you must download the 32-bit driver, even on a 64-bit OS). Open a command prompt as Administrator, navigate to

Navigate to the Oracle Instant Client Downloads page for your operating system. Navigate to the Oracle Instant Client Downloads page

Once installed, you must configure a DSN to link your applications to your specific Oracle database: Oracle Instant Client ODBC Installation Notes