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 web installer is a small package that automatically determines and downloads only those components that apply to a particular platform.

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.

NET 8.0 has been refreshed with the latest update as of August 13, 2024. This update contains both security and non-security fixes. See the release notes for details on updated packages. .NET 8.0 servicing updates are upgrades.

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 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.

Download Information. The following files are available for download from the Microsoft Download Center: Download the Microsoft .NET Framework 4.6 (Web Installer) package now. For Microsoft .NET Framework 4.6 (Offline Installer): Download the Microsoft .NET Framework 4.6 (Offline Installer) package now. For Windows RT:

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。

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) 。 它还支持命令行使用以及更高级的选项。

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。

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。