Thus, even on a modern Windows 11 PC, you may need this file.
Last updated: May 2026. Compatible with Windows 10 (1809–22H2) and Windows 11 (21H2–24H2).
This package is version-specific . A .cab file built for Windows 10 version 1809 will not work on Windows 11. You must match the package to your exact Windows build (e.g., 21H2, 22H2, 23H2, or Windows 11 22H2/23H2). Download Microsoft-windows-netfx3-ondemand-package.cab
(double-click it). Note the drive letter, e.g., D:\ .
Note: Replace C:\Microsoft-Windows-NetFx3-OnDemand-Package.cab with the actual path to your file. Step 4: Verify Installation Thus, even on a modern Windows 11 PC, you may need this file
Dism /online /enable-feature /featurename:NetFX3 /All /Source:D:\sources\sxs /LimitAccess Use code with caution.
: You will see a file named microsoft-windows-netfx3-ondemand-package.cab . How to Install Using the .cab File This package is version-specific
/LimitAccess : Prevents DISM from trying to download files from Windows Update. Alternative: Download the Full Installer
dism /online /add-package /packagepath:C:\sxs\microsoft-windows-netfx3-ondemand-package.cab
Enterprise administrators can download the "Features on Demand" (FOD) ISO directly from the Microsoft Volume Licensing Service Center (VLSC) or Visual Studio Subscriptions. The .NET Framework 3.5 CAB file is included in the Package 1 disk of the FOD media.
: Locate microsoft-windows-netfx3-ondemand-package.cab . Method 2: Use the .cab File to Install .NET 3.5 (Offline)