Microsoft-windows-netfx3-ondemand-package.cab //top\\ Download Jun 2026

Replace D: with your actual mounted ISO drive letter.

Enterprise deployment and automation

In this article, we’ll cover everything you need to know: what .NET Framework 3.5 is, why Windows doesn’t include it by default, how to safely download the CAB file, and step-by-step instructions for installing it via Command Prompt or DISM. Microsoft-windows-netfx3-ondemand-package.cab Download

If you're seeing a specific (like 0x800F081F ) while trying to install this, let me know—I can help you troubleshoot it! Install .NET Framework 3.5 on Windows 10 - Microsoft Learn Replace D: with your actual mounted ISO drive letter