If you’ve landed on this page, you’ve likely encountered a frustrating error message while trying to install legacy software, a video game, or an enterprise application on Windows 10 or Windows 11. The error probably reads something like: “.NET Framework 3.5 (includes .NET 2.0 and 3.0) could not be installed. Please download the necessary files.”
The feature associated with that package is .NET Framework 3.5. Microsoft-windows-netfx3-ondemand-package.cab Download
DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:"D:\sources\sxs"
Installation Media: The file is not usually downloaded as a standalone file from Microsoft's public website. Instead, it is found within the Windows installation ISO or DVD in the \sources\sxs\ directory. The Ultimate Guide to Downloading and Installing the
Windows 10 and 11 come pre-installed with newer versions of .NET, like version 4.8. However, they don't include the full binaries for version 3.5 by default to save disk space. The microsoft-windows-netfx3-ondemand-package.cab file contains the exact engine your computer needs to run apps built on .NET 2.0 through 3.5. Where to Safely Download It Installation Media : The file is not usually
For Windows image servicing: