32-bit applications using ODBC require the 32-bit driver.
Since Oracle Client 11.2.0.4 is no longer receiving security patches for client-side vulnerabilities, follow these mitigation steps: oracle client 11.2.0.4 download 32 bit
This guide will walk you through everything you need to know: why this specific version is sought after, where to find the files, how to choose the right installation package, and how to install it correctly on modern systems. 32-bit applications using ODBC require the 32-bit driver