Learning C# without having to buy visual studio .net

The Key of C# program can be downloaded from this website. The Framework must be installed first. Then click on the Setup Key of C#.exe file to begin installation. Links to the .NET Framework SDK are also available here: http://www.charlespetzold.com/key/index.html The Key of C# program uses a simpler IDE for editing, compiling, and running C#.NET programs. It was created by Charles Petzold and is featured in his book, "Programming in the Key of C#." It is very fast and easy to install, once you have the .NET Framework in place.