Ultima Online is a free download. Once downloaded, double click on the desktop icon. It will upgrade automatically.
Install on your computer.
Once this is downloaded, double click on your desktop icon and Razor will open up. From there plug in the IP address: 188.8.131.52 and the Port: 2593 and click OK. The game will open. Make a character and start playing. RAZOR is a program that can simplify common task in the game. There are also programs on this website.
This is definitely a good source. Hopefully you can get this to function. I did, but tried several things and cannot really remember what I did. You may just have to surf the forums if needed.