Download .net Framework 3.5 Offline Installer For Windows 10 11 ((exclusive)) Jun 2026

Running applications developed using older development tools. Certain enterprise or engineering software.

This is the standard offline method that uses the source files already present on a Windows ISO or USB.

Copy and paste the following command into the window. Replace X: with the actual drive letter of your mounted Windows ISO.

Method 1: Installing .NET Framework 3.5 Offline Using Windows ISO (Recommended) Running applications developed using older development tools

Your system is now fully configured to run older legacy applications completely offline!

: Type the following command, replacing D: with your actual drive letter, and press Enter : DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /Source:D:\sources\sxs /LimitAccess .

Even with the offline installer, errors can occur. Here is how to fix them. Copy and paste the following command into the window

: Obtain the Windows 10 or 11 ISO file or a bootable USB drive that matches your current OS version. Mount the Media : If using an ISO, right-click it and select Mount . Note the drive letter assigned to it (e.g., D: or E: ).

If the basic installer fails, you can use a Windows 10 or 11 ISO file (the "offline installer") to enable the feature via the command line. Microsoft .NET Framework 3.5 Service pack 1 (Full Package)

Copy and paste the following batch script logic into the document: : Type the following command, replacing D: with

The simplest way to get the offline installer for standalone or consumer PCs is to download the official full redistributable package directly from Microsoft. Step 1: Download the Package

@echo off Title .NET Framework 3.5 Offline Installer rem Check for administrative privileges net session >nul 2>&1 if %errorLevel% == 0 ( echo Administrative privileges confirmed. ) else ( echo Please right-click this script and select "Run as administrator". pause exit ) set /p drive="Enter the Windows Drive Letter (e.g., D, E, F): " echo Installing .NET Framework 3.5... Dism /online /enable-feature /featurename:NetFX3 /All /Source:%drive%:\sources\sxs /LimitAccess echo. echo Installation process completed. pause Use code with caution. Click . Set Save as type to All Files (*.*) .