Microsoft .NET Framework Version 2.0 Redistributable Package (x64)
The Microsoft .NET Framework version 2 (x64) redistributable package installs the .NET Framework runtime and associated files required to run 64-bit applications developed to target the .NET Framework v2.
The .NET Framework version 2 (x64) 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 controls and services and 64-bit support.
Full Specifications