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The .NET Framework 4.5.1 (Offline Installer) is now available for the .NET Framework 4 và the .NET Framework 4.5.If your computer is not connected to the Internet, you can use the offline installer instead of the web installer to lớn install this update. However, we recommend that you use the web installer khổng lồ install this update if you are connected khổng lồ the Internet. The .NET Framework 4.5.1 (Offline Installer) package is larger than the .NET Framework 4.5.1 (Web Installer) package. The .NET Framework 4.5.1 Language Pack contains localized resources for vidabo.neted languages. It contains translated error messages và other UI text for languages other than English. If you don"t install a language pack, this text is displayed in English. You can install multiple language packs on one computer, each for a different language. You must download and install the .NET Framework 4.5.1 (Offline Installer) before you install the language packs.

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The following files are available for tải về from the tải về Center:

The .NET Framework 4.5.1 (Offline Installer)

download the package now.

The .NET Framework 4.5.1 Language Packs (Offline Installer)

download the package now. For more information about how to download files, click the following article number lớn view the article in the Knowledge Base:

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What is new in the .NET Framework 4.5.1?

The .NET Framework 4.5.1 vidabo.nets the use of C#, Visual Basic, and F# code. Additionally, the .NET Framework 4.5.1 provides the following language & framework improvements:

Performance và reliability improvements

The ability lớn suspend & resume operations in the ASP.NET page framework

The ability khổng lồ compact large object heaps on-demand

64-bit Edit and Continue controls

The ability to trace & sample activities

Improvements that make SQL connections more resilient

The ability to manage return values

For more information about these & other features of the .NET Framework 4.5.1, go to lớn the following websites:The .NET Framework Developer CenterThe .Net Framework BlogThe .NET Framework 4.5.1 runs side-by-side with the .NET Framework 3.5 Service Pack 1 (SP1) and earlier versions of the .NET Framework. However, the .NET Framework 4.5.1 is an in-place update for the .NET Framework 4 và the .NET Framework 4.5.

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Command-line switches for this update

.NET Framework Deployment Guide for Developers

Restart requirement

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

Status has confirmed that this is a problem in the products that are listed in the "Applies to" section.