It's very troublesome to find that one, so just give a Thunderbolt download address.
Copy to Xunlei to download directly Do not open it in the browser
Also easy to download
http://download.oracle.com/otn/nt/oracle11g/112010/win32_11gR2_client.zip?AuthParam=1480497028_9a82beff74ff14ba28aee60557089f8d
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