Net Framework 3.5 Offline Installer Windows 10 64 Bit |best| Jun 2026

If you get an error stating the source files could not be found, double-check . Ensure the drive letter in your command prompt exactly matches the drive letter of your Windows 10 ISO or USB drive. 2. Architecture Mismatch

/Source:E:\sources\sxs : Specifies the offline path to the installation files.

Complete Guide to .NET Framework 3.5 Offline Installer for Windows 10 (64-Bit) Net Framework 3.5 Offline Installer Windows 10 64 Bit

dism /online /add-package /packagepath:"F:\sxs\microsoft-windows-netfx3-ondemand-package.cab"

If you have your installation media connected, you can sometimes use the Windows interface. If you get an error stating the source

: Right-click the executable file and select Run as administrator .

The target computer is completely offline or in a secure, isolated network environment. The target computer is completely offline or in

Despite following the procedure, users may encounter error codes

Double-check your drive letter in the DISM command. Ensure the path points directly to the sxs folder. Windows is trying to connect online despite local flags.