: If you need to run an application that requires .NET Framework 3.5, download and install it using the offline installer. However, consider updating to a newer version of the .NET Framework or the application itself, if possible, to ensure you have the latest security features and compatibility.
You need to deploy the framework across multiple computers without downloading the files repeatedly.
: Prevents DISM from contacting Windows Update over the internet to fetch source files. : If you need to run an application that requires
: Network administrators can use the offline method to deploy the framework across hundreds of machines via scripts or USB drives. Method 1: The Official Native Offline Method (Recommended)
Once the installation process completes, you can verify that .NET Framework 3.5 is successfully active on your 64-bit system. Open the panel again. The checkbox next to .NET Framework 3.5 should be filled or checked, indicating the runtime environment is active and ready to support your legacy software. : Prevents DISM from contacting Windows Update over
Instead of searching for a random “download net framework 3.5 windows 10 64 bit offline installer” every time, create a toolkit USB:
To install .NET Framework 3.5 on Windows 10 (64-bit) without an internet connection, you cannot simply use the standard standalone .exe installer, as it often still triggers a download from Windows Update. Instead, the supported offline method requires using the (ISO or USB). Recommended Offline Installation Method Open the panel again
Windows 10 offers an online installer. When you enable .NET 3.5 via "Windows Features," Windows Update downloads the required files. This sounds easy, but it fails frequently due to:
Press . The Deployment Image Servicing and Management (DISM) tool will extract and install the framework directly from the installation media.