The Microsoft .NET Framework 4 package installs the .NET Framework runtime and associated files that are required to run and develop applications to target the .NET Framework 4. The .NET Framework is Microsoft´s comprehensive and consistent programming model for building applications that have visually stunning user experiences, seamless and secure communication, and the ability to model a range of business processes.
The .NET Framework 4 works side by side with older Framework versions. Applications that are based on earlier versions of the Framework will continue to run on the version targeted by default. .NET Framework 4 includes the following new features and improvements:
- Enhancements to ASP.NET
- New memory mapped file and numeric types
- Easier debugging including dump debugging, Watson minidumps, mixed mode debugging for 64 bit and code contracts.
- Innovations in the Visual Basic and C# languages, for example statement lambdas, implicit line continuations, dynamic dispatch, and named/optional parameters.
- Improvements in ADO.NET
- Improvements to Windows Workflow Foundation and Windows Communication Foundation. Improvements in Windows Presentation Foundation.
- Improvements in CLR and BCL
Supported Operating Systems
- Windows 7
- Windows 7 Service Pack 1
- Windows Server 2003 Service Pack 2
- Windows Server 2008
- Windows Server 2008 R2
- Windows Server 2008 R2 SP1
- Windows Vista Service Pack 1
- Windows XP Service Pack 3
Supported Architecture
- x86
- x64
- ia64 (some features are not supported on ia64 for example, WPF)
Hardware
- Recommended Minimum: Pentium 1 GHz or higher with 512 MB RAM or more
- Minimum disk space:
- x86 – 850 MB
- x64 – 2 GB
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