Download and install the latest update for the .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. This package is compatible with Windows 7 SP1, 8.1, 10 and Server versions.

Learn how to install the latest version of .NET Framework 4.8.1, a highly compatible and in-place update that includes native support for Arm64 architecture and accessibility improvements. Find out the release notes, download links, and supported versions of Windows and Azure.

The January 29, 2026 update for Windows 11, version 25H2 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.

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

The October 14, 2025 update for Windows 11, version 25H2 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.

The .NET Framework 4.7.1 is available on Windows Update and on Windows Server Update Service (WSUS). It will be offered as a recommended update on Windows Update.

Microsoft .NET Framework 4.8 is a highly compatible and in-place update to .NET Framework 4.7, 4.7.1 and 4.7.2. However, it can run side-by-side with .NET Framework 3.5 Service Pack 1 (SP1) and earlier versions of .NET Framework.

October 14, 2025-KB5066747 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

This article describes the Microsoft .NET Framework 4.8 language pack. You must have the English version of the .NET Framework 4.8 installed on your computer before you install the language pack.

Microsoft .NET Framework 4.8 is a highly compatible and in-place update to .NET Framework 4.6.2, 4.7, 4.7.1, and 4.7.2. However, it can run side-by-side with .NET Framework 3.5 Service Pack 1 (SP1) and earlier versions of .NET Framework.