# Installing and Verifying the Software

After preparing your system, you can install Substation ES and then verify your installation.

Before installation, you have to read the requirements and identify the files necessary for your installation. For details, see Obtaining the Software.

By using the file-tailoring CLISTs supplied as part of the installation, you have to make only minimal edits to the JCL and parameters. Substation ES installation provides default values for system and data configuration parameters. For the first installation, adopting these default settings ensures easier startup, connectivity, and testing of the message flow.

An installation includes the following steps:

1. Obtaining the Software
2. Uploading the Software
3. Installing the z/OS Components
4. Customizing System SSL
5. Verifying the Installation
6. Optional Tasks for Substation ES

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