Struggling to install .NET Framework 3.5 on Windows 10/11? Learn how to use the CAB file ( microsoft-windows-netfx3-ondemand-package.cab ) for a fast, reliable offline installation using DISM.
No. Microsoft does not provide a standalone .exe offline installer for .NET 3.5 for Windows 10/11. The only official offline source is the CAB file from the ISO or Update Catalog. cab file for .net framework 3.5
"The following feature couldn't be installed: .NET Framework 3.5 (includes .NET 2.0 and 3.0)" Struggling to install
Despite .NET Framework 3.5 being an older technology (originally released in 2007), it remains a dependency for thousands of legacy business applications. Windows 10 and 11 include .NET 3.5 as an "Feature on Demand." This means the files are not pre-installed on the hard drive to save space; they are streamed from Windows Update when the user needs them. Microsoft does not provide a standalone
dism /online /Add-Package /PackagePath:C:\path\to\netfx3.cab /LimitAccess
Are you planning to deploy this across or just one local PC ?
@echo off set CAB_PATH=\\server\share\netfx3.cab echo Installing .NET Framework 3.5 from local CAB... dism /online /Add-Package /PackagePath=%CAB_PATH% /Quiet /NoRestart /LimitAccess if %errorlevel% equ 0 ( echo Installation succeeded. ) else ( echo Error: %errorlevel%. Check C:\Windows\Logs\DISM\dism.log )