Download Net Framework 3.5 Windows 10 64 Bit Offline Installer [best] -

For Windows 10, the official method to install .NET Framework 3.5 (which includes .NET 2.0 and 3.0) without an internet connection is to use the DISM tool paired with your original Windows 10 installation media.

Stability: Includes the full runtime for versions 2.0 and 3.0 as well. For Windows 10, the official method to install

If you don't have one, you can use the Media Creation Tool on a connected PC to download the ISO. Right-click the ISO file and select Mount. Note the drive letter assigned (e.g., D: or E:). 2. Run the Command Right-click the ISO file and select Mount

. While a "full redistributable" package exists, it often still prompts for an internet connection during setup on Windows 10. Microsoft Learn Method 1: Using Windows 10 Installation Media (Recommended) Run the Command

Execute the DISM Command: Type the following command, replacing D: with your actual drive letter:

To execute a true offline installation on Windows 10 64-bit, users typically utilize the Deployment Image Servicing and Management (DISM) tool. This involves mounting the Windows 10 ISO file and running a specific command prompt instruction (e.g., DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:D:\sources\sxs). This command forces the system to install .NET 3.5 directly from the local source files (the SXS folder) rather than reaching out to the internet. While this method requires more technical proficiency than a simple "double-click" install, it guarantees a 100% success rate regardless of the system's update health.