we are going to learn on how to use the Log4Net library for creating logs. Create a new windows form application in VS. Install Log4Net library Add to AssemblyInfo.cs Configure in App.config Use in code Install Log4Net library Then install the Log4Net library from the Nuget Package library. log4net by The Apache software foundation 2.0.8 (i installed the latest). Add to AssemblyInfo.cs After installing this package, open up AssemblyInfo .cs file under the Properties folder and add the log4net assembly information into it (under the other assembly information.). [assembly: log4net.Config.XmlConfigurator(Watch= true )] Configure in App.config Now, open the App.config file and enter required details for LogNet to work. <configSections> <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net, Version=1.2....