Step 3 of 4
Connect your project.
Set up the SDK yourself or let your AI agent help. Then we will check the first request in your game.
Install the Unreal Engine SDK
Download the release ZIP. Place HorizonSDK in your project’s Plugins/ directory. Enable it in Edit → Plugins and restart the editor.
This step does not have a video yet. The guide and MCP request are ready to use.
YourProject/Plugins/HorizonSDK/Download your project configuration
Paste the full key of the selected project. Existing key lists show only masked values.
The JSON file contains your project key and the backend domains returned by SDK Settings.
Select an active project, enter its full project key and load SDK settings to download the configuration.
Import into Unreal Engine
Tools → horizOn → Import Config...Select horizOn_config.json and confirm the import.
This step does not have a video yet. The guide and MCP request are ready to use.
After importing, check the API key and backend hosts here:
Project Settings → Plugins → horizOn SDKTo continue, enter your full project key and confirm the import. With MCP, also confirm both connections in your client.