# ADK Getting Started Set up your **ADK environment** and build your **first VOS3 application.** {% if visitor.isSet === false %} {% columns %} {% column %}

Please login or register to gain access to the detailed material on this page.

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{% endcolumn %} {% endcolumns %} {% endif %} Follow these steps to prepare your host, device, and toolchain. {% hint style="info" %} Use an APP-DEV terminal for development. Production devices keep security controls fully enabled. {% endhint %} {% stepper %} {% step %} ### Setup The Host PC


Check host requirements and install the base tools including toolchain, packman, and SDK.

Check host requirements and install the base tools including toolchain, packman, and SDK.

Example development environment folder structure

{% if visitor.isSet === true %} Developer Setup {% endif %} {% if visitor.isSet === false %} {% columns %} {% column %} {% endcolumn %} {% column %}

{% endcolumn %} {% endcolumns %} {% endif %} {% endstep %} {% step %} ### Prepare a Development Device


Use an APP-DEV terminal; connect the required cables and load test keys.

Use an APP-DEV terminal; connect the required cables and load test keys.

{% if visitor.isSet === true %} Preparing Development Devices {% endif %} {% if visitor.isSet === false %} {% columns %} {% column %} {% endcolumn %} {% column %}

{% endcolumn %} {% endcolumns %} {% endif %} {% endstep %} {% step %} ### Build your First Application


Review the ADK libraries, compiler flags, and packaging flow for your first application.

Review the ADK libraries, compiler flags, and packaging flow for your first application.

{% if visitor.isSet === true %} Developing Application Packaging {% endif %} {% if visitor.isSet === false %} {% columns %} {% column %} {% endcolumn %} {% column %}

{% endcolumn %} {% endcolumns %} {% endif %} {% endstep %} {% step %} ### Install and Debug


Transfer the package to the terminal and validate it on device.

Transfer the package to the terminal and validate it on device.

{% if visitor.isSet === true %} Debugging Applications {% endif %} {% if visitor.isSet === false %} {% columns %} {% column %} {% endcolumn %} {% column %}

{% endcolumn %} {% endcolumns %} {% endif %} {% endstep %} {% step %} ### ADK Programmers Guide


Use the ADK Programmers guide for in-depth documentation on ADK components, sample code, and API reference.

Use the ADK Programmers guide for in-depth documentation on ADK components, sample code, and API reference.

{% endstep %} {% step %} {% if visitor.isSet === true %} Open the ADK 5.1 Programmers guide Review ADK Release Notes {% endif %} {% if visitor.isSet === false %} {% columns %} {% column %} {% endcolumn %} {% column %}

{% endcolumn %} {% endcolumns %} {% endif %} ### Further Reading


Use these references for broader platform guidance and troubleshooting support.

Use these references for broader platform guidance and troubleshooting support.

{% if visitor.isSet === true %} VOS3 User Guide {% endif %} {% if visitor.isSet === false %} {% columns %} {% column %} {% endcolumn %} {% column %}

{% endcolumn %} {% endcolumns %} {% endif %} {% endstep %} {% endstepper %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.verifone.com/adk-os-platform/adk-getting-started.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.