1、登录oracle官网
https://www.oracle.com/index.html
2、Resources——Software Downloads
3、
4、
https://www.oracle.com/database/technologies/instant-client/downloads.html
选择Instant Client for Microsoft Windows (x64)
5、以 12.2.0.1.0为例，选择instantclient-basic-windows.x64-12.2.0.1.0.zip
