(Replace otn with otn-pub for no license page? No – Oracle requires login.)
Unzip the files into a single folder (e.g., C:\oracle\instantclient_19_3 ). oracle client download for windows 64-bit
Download and install the (usually 2017 or later) as required by your client version. Configure Environment Variables : (Replace otn with otn-pub for no license page
: Optional, for running SQL commands from the terminal. Install : oracle client download for windows 64-bit