This article describes the Microsoft .NET Framework 4.5.1, which is a highly compatible, in-place update to the Microsoft .NET Framework 4 and the Microsoft .NET Framework 4.5.
On the Microsoft Download Center, the .NET Framework 4.5.1 is available for Windows 8, Windows RT and Windows Server 2012. On Windows Update (WU) and on Windows Server Update Service (WSUS), the .NET Framework 4.5.1 is only available for Windows Server 2012.
On Windows Update, the .NET Framework 4.5.1 for Windows Server 2012 will be offered as a Recommended update.
On Windows Update, a Recommended update may be installed automatically on all supported platforms, based on your computer settings.
On Windows 8, you can also install the Microsoft .NET Framework 4.5.1 by upgrading your computer to Windows 8.1.
For more information about the .NET Framework 4.5.1 or the .NET Framework Developer Center, visit the following Microsoft website:
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
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Command-line switches for this update
For information about the various command-line switches that are supported by this update, visit the following Microsoft Knowledge Base: