Did you encounter a during your previous installation attempts?
Search for “NETFX3” on the official Microsoft Update Catalog . Look for the package matching your Windows version (e.g., “Feature On Demand for Windows 10 Version 22H2”).
To install .NET Framework 3.5 using this .cab file, use the tool in a Command Prompt with administrator privileges. Method 1: Direct File Path Where to find microsoft-windows-netfx3-ondemand-package.cab Microsoft-windows-netfx3-ondemand-package.cab Download
Systems managed via WSUS often block Features on Demand (FOD) payloads by default, preventing the standard network installation.
The microsoft-windows-netfx3-ondemand-package.cab file is a package used to install .NET Framework 3.5 (which includes .NET 2.0 and 3.0) on Windows 10, Windows 11, and Windows Server without requiring an active internet connection. Did you encounter a during your previous installation
Before using the manual .cab file, try the standard method, as it is faster and requires no downloads.
IT professionals often need to inject .NET 3.5 into a Windows image (WIM or VHD) before deployment. Here is how to do it: To install
If another PC on your network already has .NET 3.5 installed, you can copy the CAB from C:\Windows\WinSxS\ – but this is advanced.
There are several scenarios where you might need to download and use this specific .cab file manually:
如果您的系统已经尝试过在线安装并失败，在某些特定情况下，临时文件可能会被释放到 C:\Windows\CbsTemp 下的某个随机 GUID 文件夹的 FodWU 子目录中。此方法仅适用于高级用户，且文件可能不完整。
Microsoft-windows-netfx3-ondemand-package.cab Download: How to Install .NET Framework 3.5 Offline