After downloading and installing, you must configure the environment to make the driver work. 1. Configure the 32-bit DSN
Visit the Official Oracle Instant Client for Windows 32-bit page . oracle in oraclient12home1_32bit driver download
Go to the tab, click Add , and you should now see Oracle in oraclient12home1_32bit . 2. Set Environment Variables After downloading and installing, you must configure the
Oracle in oraclient12home1_32bit Driver Download: Complete Guide and Installation After downloading and installing
Ensure your application is truly 32-bit.
Add C:\oracle\instantclient_12_1 (or your chosen path) to the PATH variable.