# Opening Prefab Brush

## Requirements

Before you start, please ensure you have the [Editor Coroutines](https://docs.unity3d.com/Packages/com.unity.editorcoroutines@1.0/manual/index.html) package. You can install it by going to Window > Package Manager >  Select Unity Registry > Search "Editor Coroutines" >  Select the package > Click Install<br>

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## How to Open Prefab Brush

1. Navigate to the Unity top menu.
2. Select Tools
3. Hover over Prefab Brush.
4. Click on Open Prefab Brush to launch the tool.

<figure><img src="https://1236114686-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FStnSJtFVa8qAPtMowHno%2Fuploads%2FRqQLWPsZIDLdA9XAHoxp%2Fquick-start-1.gif?alt=media&#x26;token=f7660cac-15c6-4e3c-8ed0-2eb65383b257" alt=""><figcaption></figcaption></figure>