How to Join UO Horizon

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Welcome to UO Horizon, a custom Ultima Online shard featuring unique dungeons, systems, and adventures.

Follow the steps below to install the game and connect to the server.

Download the following files before beginning installation.

Ultima Online Client

ClassicUO Launcher

UO Assistant (Razor) *(Optional)*

Horizon Patch

Follow these steps in order.

Run the installer:

Downloads