Oracle OPatch

To download the latest OPatch version from My Oracle Support (MOS) using the next reference:
Patch 6880880.
Or 
using the next URL:
https://updates.oracle.com/download/6880880.html

2) In the "Platform" field select the relevant platform that corresponds to the Oracle product.

3) Click the Download button

Oracle Database Client

Installing using response file in silent mode:

1. Download the software

2. unzip the software. A directory called client is created at the location.
   unzip <file_name>

3. Copy the original response file to temp location.Original response file location will be <Base_Dir>/client/response.