How to obtain and install the update. This update is available on Microsoft Update for Windows client operating systems and available on WSUS and MU Catalog for Windows Server operating systems.

The Microsoft .NET Framework 4.8 is a highly compatible, in-place update to the Microsoft .NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1 and 4.7.2. The offline package can be used in situations in which the web installer cannot be used because of lack of Internet connectivity.

If you sign in to your account using a Microsoft Entra ID, the key opens the Microsoft 365 app. You can make the key open a different app or open Search. To do this, go to Settings > Personalization > Text input. To make the key open a different app, the app must be in a signed MSIX package.

This article describes the Microsoft .NET Framework 4.6.2 web installer for Windows 7 SP1, Windows 8.1, Windows 10 (Version 1507), Windows 10 November Update (Version 1511), Windows Server 2008 R2 SP1, Windows Server 2012, and Windows Server 2012 R2.

The Microsoft .NET Framework 4.7.1 is a highly compatible in-place update to the Microsoft .NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, and 4.7. The offline package can be used when the web installer cannot be used because of lack of Internet connectivity.

Microsoft .NET Framework 4.8.1 is a highly compatible and in-place update to .NET Framework 4.8. It includes native support for the Arm64 architecture (Windows 11+), accessibility improvements as well as other improvements. For a complete list of improvements see: .NET Framework 4.8.1 release notes.

This article describes an update about the Microsoft .NET Framework 4.6 for Windows Vista SP2, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2008 SP2, Windows Server 2008 R2 SP1, Windows Server 2012, and Windows Server 2012 R2.

该工具尝试通过应用已知修补程序或通过修复受支持 .NET Framework 版本的损坏安装来解决这些问题。 该工具具有易于使用的基于向导的用户界面 (UI) 。

Microsoft .NET Framework 4.8.1 是.NET Framework 4.8 的高度兼容和就地更新。 它包括对 Arm64 体系结构的本机支持 (Windows 11+) 、辅助功能改进以及其他改进。 有关改进的完整列表，请参阅：.NET Framework 4.8.1 发行说明。

本文介绍 Microsoft .NET Framework 4.6.2 脱机安装程序，适用于 Windows 7 SP1、Windows 8.1、Windows 10 (版本 1507) 、Windows 10 11 月更新 (版本 1511) 、Windows Server 2008 R2 SP1、Windows Server 2012 和 Windows Server 2012 R2。.