# Adding BehaviourTree component

To use the behaviour tree you need the BehaviourTree component.

There are two ways to add the BehaviourTree component.

## Create button in Hierarchy window

- Click the Create button in the Hierarchy window or right click in the window
- Select “Arbor / BehaviourTree”
- A GameObject with BehaviourTree is created.

## ArborEditor window toolbar

- Open the ArborEditor window and click the “Create” button on the toolbar
- Select BehaviourTree
- A GameObject with BehaviourTree is created.

## Unselected menu of ArborEditor window

- Open the ArborEditor window and click the “Create BehaviourTree” button in the menu displayed when graph is not selected
- A GameObject with BehaviourTree is created.

## Inspector window “Add Component” button

- Select the GameObject you want to add ArborFSM in the Hierarchy window
- Click the “Add Component” button in the Inspector window
- Select “Arbor / BehaviourTree”.
- BehaviourTree is added to GameObject.