Applies ToWindows Server 2008 R2 Service Pack 1 Windows Server 2008 Service Pack 2 Windows 7 Service Pack 1 Windows Vista Service Pack 2

This article describes an update for the Microsoft .NET Framework 4.5.2 and corresponding language packs that are available for Windows Vista SP2, Windows 7 SP1, Windows Server 2008 SP2, and Windows Server 2008 R2 SP1. You must download and install the .NET Framework 4.5.2 ENU Installer before you install the language packs.

About the update of the .NET Framework 4.5.2 and language packs

The Microsoft .NET Framework 4.5.2 and its corresponding language packs are available on Windows Update and on Windows Server Update Service (WSUS). This update is released on Windows Update under the following circumstances:

  • When the .NET Framework 4.5.2 product is offered as a recommended update.

  • When the .NET Framework 4.5.2 Language Packs are offered as a recommended update. Computers that have the .NET Framework 4.5.2 with an older version of language packs for the .NET Framework 4, the .NET Framework 4.5, or the .NET Framework 4.5.1 will receive this update. This update upgrades all previous language packs to version 4.5.2.

  • The .NET Framework 4.5.2 Language Packs are also available separately as an optionalupdate. However, this update is not offered together with the .NET Framework 4.5.2 recommended update that is described previously. Computers that meet the following criteria will receive this update:

    • The .NET Framework 4.5.2 is already installed.

    • There is no previous .NET Framework 4, .NET Framework 4.5, or.NET Framework 4.5.1 language pack installed.

    • The base operating system is a localized version of Windows, or the computer has one or more Multilingual User Interface (MUI) packs installed for one of the 23 supported languages for the .NET Framework 4.5.2 that's documented here.

Note A recommended update may be installed automatically on all supported platforms based on your computer settings. Optionalupdates can only installed by manually selecting the update from the list of available updates.

What is new in the .NET Framework 4.5.2?

The .NET Framework 4.5.2 includes the following updates:

  • New APIs for ASP.NET apps

  • Resizing in Windows Forms controls

  • New workflow feature

  • Profiling improvements

  • Debugging improvements

  • Event tracing changes

For more information about the .NET Framework 4.5.2 , see The .NET Framework 4.5.2.

Download Information

The following files are available for download from the Microsoft Download Center:DownloadDownload the .NET Framework 4.5.2 (Offline Installer) package now.DownloadDownload the .NET Framework 4.5.2 Language Pack (Offline Installer) package now.For more information about the .NET Framework 4.5.2 offline installer, see The Microsoft .NET Framework 4.5.2 (Offline Installer) is available.For more information about how to download Microsoft support files, see How to obtain Microsoft support files from online services.Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

More Information

Command-line switches for this update

For more information about the various command-line options that are supported by this update, see the "Command-Line options" section on the MSDN website the .NET Framework Deployment Guide for Developers.

Restart requirement

You may have to restart the computer after you install this update. We recommend that you exit all applications that are using the .NET Framework before you install this update.

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