The XNA Framework 3.1 is built upon the (or higher) and is optimized for managed game execution. Requirement Minimum Specification Operating System Windows XP SP3, Windows Vista SP1 Graphics API DirectX 9.0c Shader Model Shader Model 1.1 (2.0 recommended for advanced samples) Software Dependency .NET Framework 2.0 or higher 3. Purpose and Utility
Without this specific version, many games will crash on launch or display a missing DLL error (e.g., "Could not load file or assembly 'Microsoft.Xna.Framework.dll'" ). download microsoft xna framework redistributable 3.1
, a tiny 7.3 MB package that held the power to revive his dead game. The XNA Framework 3