Enhancements and installation instructions for RDA 8.12 can be found in RDA Release Notes (Doc ID 414970.1).
You can download RDA from Knowledge Article 314422.1, the Main RDA page. Select the RDA zip file for your platform by clicking on the related link. Each zip file contains all the files you need, so only choose one to download.
This release of RDA is also bundled with the new Diagnostic Assistant (DA) 2.11 tool. DA is a
command line interface framework designed to simplify and standardize
the end user’s experience with various diagnostic tools. It provides a
common, lightweight, extensible interface to multiple diagnostic
collection tools (ADR, RDA, OCM, Explorer and others).
Refer to Diagnostic Assistant (Doc ID 201804.2) for more detailed information about DA 2.11 new release and functionalities.
For more information:
Remote Diagnostic Agent (RDA) – FAQ (Doc ID 330363.1)
Remote Diagnostic Agent (RDA) – Getting Started (Doc ID 314422.1)
Resolve Problems Faster! Use Remote Diagnostic Agent ( RDA ) – Fusion Middleware and WebLogic Server (Doc ID 1498376.1)