Microsoft .NET Framework 4.5 Developer Preview Web Installer 32/64-bit (English) - DreamSpark - Download
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Microsoft .NET Framework 4.5 Developer Preview Web Installer 32/64-bit (English) - DreamSpark - Download


 Microsoft Corporation



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Microsoft .NET Framework 4.5 Developer Preview

NET is an integral part of many applications running on Windows and provides common functionality for those applications to run. This download is for people who need .NET to run an application on their computer. For developers, the .NET Framework provides a comprehensive and consistent programming model for building applications that have visually stunning user experiences and seamless and secure communication.

The .NET Framework 4.5 Developer Preview includes updates to the common language runtime (CLR) and the .NET Framework class library, innovations in the Visual Basic and C# languages, enhancements in data access and web server scenarios, and improvements in extensibility, performance, reliability, and security.

Microsoft .NET Framework 4.5 Developer Preview

To install the .NET Framework 4, one of the following operating systems must be installed on the target computer:

·         Windows 7 family.

·         Windows Server 2008 R2 family.

·         Windows Vista family.

·         Windows Server 2008 family.

·         Windows XP Home or Microsoft Windows XP Professional, both with Service Pack 3 or later.

·         Windows 2003 family with Service Pack 2 or later.

For Windows Server 2003, you must also install Windows Imaging Component (WIC) on the target computer:

·         32-bit Windows Imaging Component

·         64-bit Windows Imaging Component

Hardware Requirements


Recommended minimum


Pentium 1 GHz or higher


512 MB or more

Disk space for Client Profile

32-bit system: 600 MB

64-bit system: 1.5 GB

Disk space for Full Profile

32-bit system: 850 MB

64-bit system: 2 GB