To install .NET Framework 3.5 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?
Breakdown of switches:
Cause: You typed the wrong path or the sxs folder is missing.
Solution: Verify the sxs folder exists on your mounted ISO. It should contain files like netfx3.cab. Net Framework 3.5 Offline Installer Windows 10 64 Bit
To install .NET Framework 3.5 offline on a 64-bit version of Windows 10, you do not need to download a third-party installer. The necessary files are already included in your original Windows 10 installation media (ISO or USB). To install
microsoft-windows-netfx3-ondemand-package.cab Game modding tools (e
"This application requires .NET Framework 3.5. Please install it and try again."
Q: My software requires .NET 3.5 SP1 (Service Pack 1). Is this included? A: Yes. The offline feature includes .NET Framework 3.5 SP1, which contains 2.0, 3.0, and 3.5 SP1 cumulative updates.