Many older applications, games, and specialized software require Microsoft .NET Framework 3.5 to function correctly. While newer versions like .NET 4.8 or .NET 6+ come pre-installed, Windows 10 and 11 do not include version 3.5 by default.
Verify your ISO drive letter and ensure the sources\sxs folder exists.
The full package contains all components needed for a local installation without an internet connection during the setup process.
After installing the .NET Framework 3.5 offline installer, you may need to enable it in Windows 10 or 11. Here are the steps: The full package contains all components needed for
The offline installer package is approximately 231 MB in size.
Right-click the downloaded file and select .
.NET Framework 3.5 is a software development framework created by Microsoft. It includes features for building and running applications, incorporating versions 2.0, 3.0, and 3.5. Right-click the downloaded file and select
Name the file and save it directly inside the C:\DotNet35 folder alongside your copied sxs folder.
Ensure that the drive letter used in your DISM command perfectly matches your mounted ISO or USB. Furthermore, ensure the installation media matches your exact current OS architecture and version build (e.g., do not use a Windows 10 ISO source to install features onto a Windows 11 machine). Error Code 0x800F0922
Copy and paste the following command (replace D: with your ISO drive letter if different): incorporating versions 2.0
Run the following command, replacing D: with your actual drive letter:
Ensure you run the Command Prompt strictly as an Administrator. Group Policy Blocking Feature Installation
Dism /online /enable-feature /featurename:NetFx3 /All /Source:X:\sources\sxs /LimitAccess Use code with caution. Parameter Breakdown:
Open gpedit.msc (Group Policy Editor). Navigate to Computer Configuration > Administrative Templates > System . Find the setting Specify settings for optional component installation and component repair . Set it to Enabled and check the box for Contact Windows Update directly to download repair content instead of Windows Server Update Services (WSUS) . Conclusion