: Navigate to the \sources\sxs\ folder on the mounted drive. You will find microsoft-windows-netfx3-ondemand-package.cab there. Direct Installation Without the CAB File
Once you have your .cab file, the installation process uses the Deployment Imaging Service and Management Tool (DISM) via the Command Prompt. Follow these steps carefully:
Microsoft provides the microsoft-windows-netfx3-ondemand-package.cab as part of Windows installation media or the Volume Licensing Service Center. For general users, the safest and legal way is: microsoftwindowsnetfx3ondemandpackagecab download free link
The .NET Framework 3.5 includes critical runtime files from older versions, specifically .NET 2.0 and 3.0.
Are you trying to install this on an , or do you have internet access? : Navigate to the \sources\sxs\ folder on the mounted drive
While Windows usually downloads this package automatically through Windows Update, network restrictions, offline environments, or system errors often force administrators and users to look for a direct download link.
If you tell me your (type winver in Start), I can confirm the exact installation method recommended for your specific system. Where to find microsoft-windows-netfx3-ondemand-package.cab or do you have internet access?
What the CAB contains
Ensure your /Source path matches the exact drive letter of your mounted Windows ISO or local folder.
Wait for the progress bar to reach 100%. Once completed, you will see the message: "The operation completed successfully." Restart your computer to apply the changes. Troubleshooting Common NetFx3 Installation Errors Error Code 0x800F081F