Modify code so that it updates the IP address across multiple config files in different folders in C#

I have a software that upon installation asks for the IP address of my server and stores that address into multiple config files in different folders. This code that I have updates the config file's endpoint address inside. The code that I have commented out is the code written out for the task. I was trying to create an [login to view URL] to see where the software was installed and and run through the xml configs inside that directory but I'm not familiar with the [login to view URL] Method. 1) Modify the code to look where the software has been installed and then run the code 2) Modify this code so that it updates all the IP addresses within ALL the config files inside different folders where the software was installed. **ConfigFile** using System; using [login to view URL]; using [login to view URL]; using [login to view URL]; using [login to view URL]; using [login to view URL]; using [login to view URL]; using [login to view URL]; using [login to view URL]; using [login to view URL]; using [login to view URL]; namespace ConfigTool { class Class1 { // foreach ([login to view URL] folder_type in [login to view URL](typeof([login to view URL]))) // { // DescribeFolder(folder_type); // } //[login to view URL](0, 0); //const string FILENAME = [login to view URL](Environment.SpecialFolder.); const string FILENAME = @"C:\Program Files (x86)\******\***\***\*****\*****.****.****.[login to view URL]"; public static IPAddress GetIPAddress(string hostName) { Ping ping = new Ping(); var replay = [login to view URL](hostName); if ([login to view URL] == [login to view URL]) { return [login to view URL]; } return null; } static void Main(string[] args) { XDocument doc = [login to view URL](FILENAME); List<XElement> endpoints = [login to view URL]("endpoint").ToList(); foreach (var endpoint in endpoints ) { string address = (string)[login to view URL]("address"); string newIp = "[login to view URL]"; string pattern = "//[^:]+"; address = [login to view URL](address, pattern, "//" + newIp); [login to view URL]("address").SetValue(address); } [login to view URL](FILENAME); } } } **XMLExample** <endpoint name="***Local" address="[login to view URL]://[login to view URL]" binding="netTcpBinding" contract="****.[login to view URL]" bindingConfiguration="TcpCustomSecurity" behaviorConfiguration="CustomValidator"> <identity> <dns value="localhost" /> </identity> </endpoint> <endpoint name="***Local" address="[login to view URL]://[login to view URL]" binding="netTcpBinding" contract="****.[login to view URL]" bindingConfiguration="TcpCustomSecurity" behaviorConfiguration="CustomValidator"> <identity> <dns value="*******" /> </identity> </endpoint> <endpoint name="****" address="[login to view URL]://[login to view URL]" binding="netTcpBinding" contract="****.[login to view URL]" bindingConfiguration="TcpCustomSecurity" behaviorConfiguration="CustomValidator"> <identity> <dns value="localhost" /> </identity> </endpoint>