Version 3.0 of the .NET Framework is included with Windows Vista and Windows Server 2008. Version 3.5 is included with Windows 7, and can also be installed on the Windows Server 2003 and Windows XP family of operating systems. On 13 April 2010, .NET Framework 4 was released alongside Visual Studio 2010.

The .NET Framework family also includes two versions for embedded device and mobile. A reduced version of the framework, the .NET Compact Framework, is easy available on Windows CE platforms, including Windows Mobile devices such as smart phones. Additionally, the.NET Micro Framework is targeted at severely resource-constrained .net devices.

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