The Microsoft .NET Framework version 2.0 beta redistributable package is the most recent update to the Microsoft .NET Framework and includes everything you need to run applications developed using the .NET Framework.
The .NET Framework version 2.0 improves scalability and performance with improved caching, application deployment and updating with ClickOnce, support for the broadest array of browsers and devices with ASP.NET 2.0 controls and services. For more information on the .NET Framework 2.0 see http://msdn.microsoft.com/netframework.
Important: You cannot install two different language versions of the .NET Framework on the same machine. Attempting to install a second language version of the .NET Framework will cause the following error to appear: "Setup cannot install Microsoft .NET Framework because another version of the product is already installed." If you are targeting a non-English platform or if you wish to view .NET Framework resources in a different language, you must download the appropriate language version of the .NET Framework language pack.