| | Action | Details | |---|---|---| | 1 | Open Command Prompt as Administrator | Press Win + X , select "Terminal (Admin)" or "Command Prompt (Admin)". | | 2 | Prepare the Folder | Create a folder on your C: drive, e.g., C:\netfx3 , and copy your .cab file into it. | | 3 | Run the DISM Command | In the admin Command Prompt, type the following command, replacing the source path with your folder path: DISM /Online /Add-Package /PackagePath:C:\netfx3\microsoft-windows-netfx3-ondemand-package.cab | | 4 | Wait for the Process | DISM will now install the package. It can take several minutes. | | 5 | Restart Your Computer | After DISM completes, restart your PC for the changes to take effect. |

Download the Media Creation Tool for your specific version of Windows (Windows 10 or Windows 11).

Are you trying to install this on an , or do you have internet access?

I understand you're looking for the (the CAB file) for Windows, often needed for offline installation or system maintenance.

Do not download .cab files from random "free download" sites, forums, or file-hosting services (e.g., mediafire, mega, rapidshare links posted by users).

dism /online /add-package /packagepath:C:\NetFx3\Microsoft-Windows-NetFx3-OnDemand-Package.cab Use code with caution.

If you are trying to run an older software application, a legacy game, or a specific development tool on Windows 10 or Windows 11, you have likely encountered an error stating that your system requires .NET Framework 3.5.

Attackers frequently bundle Trojan horses, infostealers, or cryptocurrency miners inside system files. Because .NET requires administrative privileges to install, executing a malicious CAB file gives hackers full control over your operating system.

Paste it into the root directory of your C: drive ( C:\ ). This makes the command easier to run. Step 2: Open Command Prompt as Administrator Click the Start menu. Type .

/online : Tells the tool to target your current operating system.

If this process fails with error codes like 0x800F0950 , 0x800F0906 , or 0x800F081F , it means your network is blocking the download, and you must revert to the DISM method utilizing the official CAB package detailed above. Conclusion

Note: If you are using Windows 11, it is recommended to use the tool, but dism /add-package still works for this specific package. Step 4: Verify Installation

How to Download and Install the Microsoft Windows NetFx3 OnDemand Package Cab for Free

Microsoft.Windows.NetFx3.OnDemandPackage.cab: Download Free Link & Installation Guide

If you have a Windows installation USB drive, the microsoft-windows-netfx3-ondemand-package.cab is already present on it in the \sources\sxs\ folder. You can navigate to that folder on the USB drive and copy the file directly.

If you already have the microsoft-windows-netfx3-ondemand-package.cab file, use the tool to install it: Copy the .cab file to a folder (e.g., C:\temp ). Open Command Prompt as an Administrator .