databaseerror cannot locate a 64

import cx_Oracle as oracle
conn = oracle.connect(‘laosnnghju/xydjAJKD123355a@...:1521/zawbsc2’)
cursor = conn.cursor()
SQL_Select = ‘select * from DIM_ZNFX_COMPANY_REL t’
cursor.execute(SQL_Select)
cursor.close()
conn.close()

1.pip install cx_Oracle
2.[安装完cx_Oracle，如图所示，验证是否安装成功，未返回任何消息，说明已经安装成功。
3.报如图所示错误，下载instant-client
https://www.oracle.com/database/technologies/instant-client/winx64-64-downloads.html
4.解压instant-client,将其下所有dll文件复制到site-packages下面