You need the matching OS media. If you have a Windows 10 USB installation drive or DVD, skip this step. Otherwise:
Press to run the command. You will see a progress bar in the command prompt. Within a few minutes, you should see the message: "The operation completed successfully." You can now close the Command Prompt and run your application.
Usually means the source files could not be found. Re-check your drive letter in the sxs command.
Right-click dotnetfx35.exe and select to begin the installation. Net Framework 3.5 Offline Installer Windows 10 64 Bit
The is an essential utility required to run older software applications built on Microsoft’s .NET 2.0, 3.0, and 3.5 architectures. While Windows 10 comes pre-packaged with newer versions like .NET Framework 4.8, many legacy tools, enterprise applications, and video games still strictly require version 3.5 to function.
/enable-feature /featurename:NetFX3 : Tells Windows to activate the .NET Framework 3.5 feature.
The Windows version must match your currently installed OS build. Step-by-Step Instructions You need the matching OS media
Type or copy the following command into the window. Ensure you replace D: with the actual drive letter of your Windows media:
: Open the Registry Editor ( regedit ) and navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU . Look for a value named UseWUServer and temporarily change its data value from 1 to 0 . Restart the Windows Update service, run the DISM offline installation command again, and then revert the value back to 1 . Verifying the Installation
A: Yes. The offline feature includes .NET Framework 3.5 SP1, which contains 2.0, 3.0, and 3.5 SP1 cumulative updates. You will see a progress bar in the command prompt
reg query "HKLM\SOFTWARE\Microsoft\Net Framework Setup\NDP\v3.5" /v Version
Software like the ".NET Framework 3.5 Offline Installer" utility provides a one-click interface. You select your drive letter, and it runs the background commands for you.
The same method applies to Windows 11 64-bit. Use a Windows 11 ISO’s sxs folder.
Right-click the Windows Start menu button and select . Run the following command: powershell Get-WindowsCapability -Online -Name "NetFX3~~~~" Use code with caution.
If you are reading this guide because the standard automatic prompt failed, but your computer does actually have internet access, you can manually trigger the offline package assembly using the Windows Features menu. Press to open the Run dialog box. Type optionalfeatures and press Enter .