What versions of .NET are there?

The final version of the 1.0 SDK and runtime was made publicly available around 6pm PST on 15-Jan-2002. At the same time, the final version of Visual Studio.NET was made available to MSDN subscribers. .NET 1.1 was released in April 2003 - it’s mostly bug fixes for 1.0. .NET 2.0 is expected in 2005.