This is what i got so far, the only problem is when i run the process it doesnt recognize the path.
string sKey = @"\Software\Blizzard Entertainment\World of Warcraft";
RegistryKey key = Registry.LocalMachine.OpenSubKey(sKey);
key.GetValue("InstallPath").ToString();
PS. What im trying to do is get the wow install path from the Registry and use it as the directory i am going to run wow.exe