Required Postinstallation Tasks

Download and apply required patches for your software release after completing your initial installation.

• Downloading and Installing Patch Updates
  Download and install patch dates for your Oracle software after you complete installation.
• Updating Instant Client
  Review this procedure to update Instant Client.

Downloading and Installing Patch Updates

Download and install patch dates for your Oracle software after you complete installation.

Check the My Oracle Support website for required patch updates for your installation.

To download required patches:

1. Use a web browser to view the My Oracle Support website:
   https://support.oracle.com/
2. Log in to My Oracle Support.

   Note:

   If you are not a My Oracle Support registered user, click Register here and follow the registration instructions.

3. On the main My Oracle Support page, click Patches and Updates tab.
4. In the Patch Search group, select Product or Family (Advanced).
5. In the Product field, select Oracle Database Client.
6. In the Release field select the release number. For example, Oracle 12.2.0.1.0.
7. Click Search.
8. Any available patch updates are displayed in the Patch Search page.
9. Select the patch number and click ReadMe. The README page is displayed and contains information about the patch set and how to apply the patches to your installation.
10. Return to the Patch Search page, click Download, and save the file on your system.
11. Use the unzip utility provided with Oracle Database Client 12c to uncompress the Oracle patch updates that you downloaded from My Oracle Support. The unzip utility is located in the ORACLE_BASE\ORACLE_HOME\bin directory.

Updating Instant Client

Review this procedure to update Instant Client.

To update Instant Client, perform the following steps:

1. Download Instant Client from Oracle Help Center at http://docs.oracle.com.
2. Place the new files directly on top of the previous files.

   If you place the files into a different directory (and remove the previous files), be sure to update your PATH environment variable setting to reflect the new location.