1. Inside your n8n workflow, click the 'Add' button to create a new step.
2. After that, head over to the right-hand panel and click 'AI'.
3. Select 'AI Agent' from the list of options.
4. Now, it's time to configure the selected node based on your preference. To get started, specify your preferred source for the prompt.
5. Following that, adjust the corresponding settings as needed.
6. If you need to personalize the node further, tap 'Add Option' and use the available tools to implement your desired modifications.
7. At this point, specify your preferred 'Chat Model', 'Fallback Model', 'Memory', and 'Tool'. Select one for each element and adjust the necessary settings according to your liking.
8. Finally, your AI Agent Node will be activated in your n8n workflow based on the provided input and configuration.