Net Framework 3.5 Offline Installer Windows 10 64 Bit <Instant Download>

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.

reg query "HKLM\SOFTWARE\Microsoft\Net Framework Setup\NDP\v3.5" /v Version

She exhaled.

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

dism /mount-image /imagefile:"D:\sources\install.wim" /index:1 /mountdir:"C:\mount" Net Framework 3.5 Offline Installer Windows 10 64 Bit

To install on Windows 10 (64-bit) without an internet connection, the most reliable method is using the DISM (Deployment Image Servicing and Management) tool along with your Windows 10 installation media . Why an Offline Installer?

Microsoft has evolved its development platform to .NET 6, 7, and 8 (now .NET 9), but millions of applications—from AutoCAD 2007 to custom hospital management systems—still rely on . The problem? Windows 10 does not install this older framework by default. When you try to install it via the standard "Turn Windows features on or off" dialog, Windows attempts to download the necessary files from Microsoft Update Servers. This frequently fails due to corporate firewalls, slow internet, or server timeouts. Double-check your drive letter in the DISM command

“Requires .NET Framework 3.5,” the error log read. “Installation failed.”

Standard installers often require an active internet connection to download missing components from Windows Update. If you are in an environment without internet or encounter errors during the standard installation, the offline method using the \sources\sxs folder from a Windows 10 ISO is the official workaround. ” the error log read.