> For the complete documentation index, see [llms.txt](https://hiveminddocs.gitbook.io/hivemind/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hiveminddocs.gitbook.io/hivemind/code-systems/ultimate-building-system-framework-ubs/installation.md).

# Installation

To start using the **Ultimate Building System**, you need to install it from the Unreal Engine Marketplace and enable it in your project. Follow the steps below:

## **Download the Plugin**

* Open the **Unreal Engine Marketplace** and search for **Ultimate Building System**.
* Ensure you have **UE 5.4 or later** installed.
* Click **Install** to add the plugin to your engine.

## **Enable the Plugin in Your Project**

* Open your Unreal Engine project.
* Go to **Edit** → **Plugins**.
* Search for **Ultimate Building System** and enable it.

## **Restart Unreal Engine**

* If prompted, click **Restart Now** to restart the editor and finalize installation.

Once the editor has restarted, you're ready to begin setup the [Collision Channels](/hivemind/code-systems/ultimate-building-system-framework-ubs/installation/collision-channels.md).