Of course, if you have a volume licensing agreement for eOpen, or an MSDN subscription, you can download them from the Microsoft site.
msdn.microsoft.com for the MSDN subscription login, eopen.microsoft.com for the eOpen license site.
.NET Programming
The .NET Framework is not specific to any one programming language; rather, it includes a library of functions that allows developers to rapidly build applications. Several supported languages include C#, VB.NET, C++ or ASP.NET.
msdn.microsoft.com for the MSDN subscription login, eopen.microsoft.com for the eOpen license site.