Open (Right-click Start button > Terminal (Admin) or CMD (Admin)).
To get the correct version for your operating system, follow these steps: Download the Windows ISO : Use the official Microsoft Media Creation Tool
While installing the package is usually straightforward, you may encounter a few common roadblocks: Microsoft-windows-netfx3-ondemand-package.cab Download
Dism /online /enable-feature /featurename:NetFX3 /All /Source:E:\sources\sxs /LimitAccess Use code with caution.
Once the operation reaches 100% and completes successfully, restart your computer. Open (Right-click Start button > Terminal (Admin) or
After restarting, you can verify that .NET Framework 3.5 is successfully installed.
Once your Windows Installation ISO is mounted to your system (for example, as drive letter E: ), the offline installer package is located in a specific directory. After restarting, you can verify that
: Double-check your /Source path. Ensure you are pointing to the folder containing the CAB file, not the CAB file itself. Ensure the Windows ISO version matches your installed Windows version exactly. Error 0x800F0954
Execute the following command (replace C:\netfx3\ with your actual path if different):
If you need (which includes 2.0 and 3.0) on Windows 10 or 11, you may hit an error when trying to enable it via Windows Features . The most reliable offline method is using the microsoft-windows-netfx3-ondemand-package.cab file.
Tight security configurations may explicitly block optional Windows feature updates.