: Go to the \sources\sxs folder on the mounted drive.
The steps to download and install the microsoft-windows-netfx3-ondemand-package.cab file vary depending on your Windows version and configuration. Here are general steps you can follow: Download Microsoft-windows-netfx3-ondemand-package.cab
page to get the ISO that matches your version (Windows 10, 11, or Server). Mount the ISO : Right-click the downloaded ISO file and select Locate the File : Open the virtual drive, go to the sources\sxs folder. You will find microsoft-windows-netfx3-ondemand-package.cab Stack Overflow 💻 How to Install Using the : Go to the \sources\sxs folder on the mounted drive
Modern Windows images are "lightweight"; they contain the instructions for .NET 3.5 but not the actual heavy machinery (the binaries). When a user tries to run an old application, Windows usually tries to fetch these files from the cloud via Windows Update. Mount the ISO : Right-click the downloaded ISO
If you have ever tried to run an older application or game on a modern version of Windows, you likely encountered a prompt stating that you need . While Windows usually attempts to download this automatically, many users face errors like 0x800F081F or 0x800F0906 .