AVR Studio 5 installer (390 MB, revision 5.0.1223, updated 11/11) This installer contains AVR Studio 5 only and requires that you have already installed Visual Studio Shell (Isolated mode) 2010 and .NET 4.0. Select this installer if you have installed AVR Studio 5 beta already and only need to upgrade. NOTE: AVR Studio 5.0 cannot be upgraded from its beta versions. Please unin..