.NET 3.0 and 3.5 Die April 12, 2011, Upgrade to .NET 4.0 or 3.5 SP1

.NET 3.0 and 3.5 Die April 12, 2011, Upgrade to .NET 4.0 or 3.5 SP1

Microsoft changes .NET Framework Support Lifecycle Policy

.NET Framework 4 RTM Migration Issues on MSDN

.NET Framework 4 RTM Migration Issues on MSDN

When upgrading apps from .NET Framework 3.5 SP1

ADO.NET Data Services Evolves into .NET Framework Update

ADO.NET Data Services Evolves into .NET Framework Update

For version 3.5 SP1 of .NET

Download Windows SDK for Windows 7 and .NET Framework 3.5 SP1 (RTM)

Download Windows SDK for Windows 7 and .NET Framework 3.5 SP1 (RTM)

And Windows 7 Training Kit for Developers

Download Free Web Platform Installer 1.0 for Windows 7, Vista SP1, and XP SP3

Download Free Web Platform Installer 1.0 for Windows 7, Vista SP1, and XP SP3

But also for Windows Server 2003 and Windows Server 2008

ASP.NET MVC Beta for .NET Framework 3.5 SP1

ASP.NET MVC Beta for .NET Framework 3.5 SP1

With a “go live license”

Download .NET Framework 3.5 SP1 Enhancements Training Kit

Download .NET Framework 3.5 SP1 Enhancements Training Kit

For .NET Framework 3.5 SP1 and Visual Studio 2008 SP1