# Complete Replacement Package

By default, TIBCO Substation ES is delivered as a non-SMP/E, stand-alone, and base function package.

Subsequent modifications and updates are in the form of modules for independent installation, as necessary.
Note: The installation packages for OS/390 version 2.10 through z/OS version 1.13 are no longer available or supported. For other earlier releases, contact TIBCO Support and request the desired media for your environment.
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