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 February 10, 2026 update for Windows 11, version 26H1 includes security and cumulative reliability improvements in .NET Framework 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. Summary Security Improvements CVE-2025-55248 - .NET Framework Information ...

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 .NET Framework 4.7 is a highly compatible and in-place update to the .NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, and 4.6.2. The web installer is a small package that automatically determines and downloads only the components that apply to a particular platform.

The October 14, 2025 update for Windows 11, version 24H2 and Microsoft server operating system version 24H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1.

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.

Microsoft .NET Framework 4.7.2 is a highly compatible, in-place update to Microsoft .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 web installer is a small package that automatically determines and downloads only the components that apply to a particular platform.

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.