setx PATH "%PATH%;C:\oracle\instantclient_32_19" /M

sqlplus system@//dbserver:1521/orcl

npm install oracledb const oracledb = require('oracledb'); oracledb.initOracleClient( libDir: 'C:\\oracle\\instantclient_32_19' );

However, the end is approaching. With Microsoft ending support for 32-bit operating systems for new hardware and the industry standardizing entirely on 64-bit, the 32-bit client is entering its twilight years. It is becoming a specialized tool, used only for the most stubborn of legacy systems.