The October 8, 2024 update for Windows 11, version 24H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections.

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.

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.

This article describes the Microsoft .NET Framework 4.6.1 offline installer for Windows 7 Service Pack 1 (SP1), Windows 8, Windows 8.1, Windows 10, 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.

可以从 .NET 下载站点下载以下文件： 立即下载 Microsoft .NET Framework 4.8 脱机安装程序包。 对于 Windows RT 8.1： 立即下载 Microsoft .NET Framework 4.8 程序包。 有关如何下载 Microsoft 支持文件的详细信息，请参阅如何从联机服务中获取 Microsoft 支持文件。

Remote Assistance Support from Microsoft allows a Microsoft support professional in another location to view your computer screen and work on your computer over a secured connection. Protect yourself from tech support scams. Before clicking 'I accept', review the: By selecting the ‘I accept’ option of Remote Assistance support from ...

Microsoft .NET Framework 修复工具可检测影响Microsoft .NET Framework 设置或更新的常见问题。 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 4.7.2 是一个高度兼容的 .NET Framework 4、4.5、4.5.1、4.5.2、4.6、4.6.1、4.6.2、4.7 和 4.7.1 就地更新 。 脱机包可用于由于缺少 Internet 连接而无法使用 Web 安装程序 的情况。 此包比 Web 安装程序大，并且不包括语言包。

Windows 11 版本 22H2 和 Windows 11 版本 2024 年 8 月 13 日更新包括 .NET Framework 3.5 和 4.8.1 中的安全性和累积可靠性改进。 我们建议你将此更新作为定期维护工作的一部分进行应用。