..
 # SPDX-FileCopyrightText: <text>Copyright 2023-2025 Arm Limited and/or its
 # affiliates <open-source-office@arm.com></text>
 #
 # SPDX-License-Identifier: MIT

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User guide
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Each platform in this document contains its own detailed user guide.

For Zena CSS (RD-Aspen) see :ref:`Zena CSS (RD-Aspen) user guide <rd-aspen/user_guide/index:User Guide>`.

All platforms require the same build host environment, including system 
requirements and how to install dependencies, which is described 
below.

.. toctree::
   :maxdepth: 1

   build_host_environment