The Horizon IPL (Installer • Patcher • Launcher) is the recommended way to install and play UO Horizon.
It automatically downloads the required game files, keeps your installation up to date, and launches the game with the correct settings—allowing you to spend less time configuring and more time adventuring.
The Horizon IPL handles nearly everything for you.
Features include:
Most players will never need to manually install updates again.
Getting started only takes a few minutes.
That's it!
The launcher will automatically keep Horizon up to date.
Each time you launch Horizon, the IPL checks for new updates.
If a patch is available, it will:
No manual patching is required.
The Horizon IPL is designed to continue growing alongside the server.
Future improvements may include:
As Horizon evolves, the launcher will become the central hub for managing your installation.
Although the Horizon IPL is recommended, advanced users may manually download individual components.
Available downloads include:
Manual installation is intended primarily for troubleshooting or development.
If the launcher encounters a problem:
Most issues can be resolved quickly by reinstalling or repairing the installation.
Do I need to install patches manually?
No. The Horizon IPL automatically downloads and installs updates.
Can I have multiple Ultima Online installations?
Yes.
It is recommended to install Horizon into its own dedicated folder.
Example: C:\Games\UO Horizon
This prevents conflicts with other Ultima Online installations.
Do I need ClassicUO?
The Horizon IPL installs and launches the recommended client configuration automatically.
Advanced users may customize their installation if desired.