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Microsoft .NET Framework 4.5

Microsoft .NET Framework 4.5
Windows Vista, Windows 7, English

Microsoft .NET Framework 4.5


A programming infrastructure created by Microsoft for building, deploying, and running applications and services that use .NET technologies, such as desktop applications and Web services.
The .NET Framework contains three major parts
  • the Common Language Runtime
  • the Framework Class Library
  • ASP.NET.

The .NET Framework 4.5 is a highly compatible, in-place update to the .NET Framework 4. By using the .NET Framework 4.5 together with the C#, Visual Basic, or F# programming language, you can write Windows apps. The .NET Framework 4.5 includes significant language and framework enhancements for C#, Visual Basic, and F# (so that you can more easily write asynchronous code), the blending of control flow in synchronous code, a responsive UI, and web app scalability . The .NET Framework 4.5 adds substantial improvements to other functional areas such as ASP.NET, Managed Extensibility Framework, Windows Communication Foundation, Windows Workflow Foundation, and Windows Identity Foundation. The .NET Framework 4.5 delivers better performance, reliability, and security. 

Supported Operating System

Windows 7 Service Pack 1, Windows Server 2008 R2 SP1, Windows Server 2008 Service Pack 2, Windows Vista Service Pack 2
  • Windows Vista SP2 (x86 and x64)
  • Windows 7 SP1 (x86 and x64)
  • Windows Server 2008 R2 SP1 (x64)
  • Windows Server 2008 SP2 (x86 and x64)

Hardware Requirements:

  • 1 GHz or faster processor
  • 512 MB of RAM
  • 850 MB of available hard disk space (x86)
  • 2 GB hard drive (x64)

Note: Windows 8 and Windows Server 2012 include the .NET Framework 4.5. Therefore, you don't have to install this software on those operating systems.


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Alternative spelling: dotNetFx45_Full_setup.exe