Hope this Helps
http://www.runuo.com/forum/showthread.php?t=31396&highlight=Mobiles
download that MrFixit is a god send! after installing RunUO make a backup of your Server.cs its in the Scripts folder / Misc
ok then from there go on Uogateway
www.uogateway.com mega useful!
and go to local server settings in the upper right hand corner and add your shard
for Now just use 127.0.0.1 as IP and 2593 As port and put the name to whatever u want.
Ok then Run RunUO server let it load and it shouldnt have errors after it gets done loading you will Know cause it will Show an IP or IPs at the bottom meaning its ready to be logged into
KK now just log in and play around and get used to it hehe theres a list of Admin and GM commands in the Docs folder found within the RunUO folder and [ is the command thing for Example [add sandals adds sandals to ground hehe
Hope I helped if I wasnt clear enough or you need step by step you can private message me and we can set up some kinda chat thingy to walk ya through