Net Framework 3.5 Offline Installer Windows 10 64 Bit May 2026

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).

Part 8: Security and Performance Considerations

A common myth: "Installing .NET Framework 3.5 weakens Windows 10 security." Net Framework 3.5 Offline Installer Windows 10 64 Bit

Once the message "The operation completed successfully" appears, the installation is finished. Microsoft Learn 3. Verify the Installation Control Panel Turn Windows features on or off Ensure the box for .NET Framework 3.5 (includes .NET 2.0 and 3.0) is checked. Johnson Controls Official Download Links To install

Note the drive letter assigned to your USB or mounted ISO (e.g., Johnson Controls 2. Run the Offline Installation Command Start menu , right-click on Command Prompt , and select Run as administrator Copy and paste the following command into the window: Final checklist for success: If using an ISO:

Did this guide help you? Bookmark it. Share it with your IT team. And always keep a copy of the Windows 10 64-bit ISO on a network drive—because when .NET 3.5 fails, the offline installer saves the day.

Enable-WindowsOptionalFeature -Online -FeatureName "NetFx3" -All -LimitAccess -Source "C:\dotnet35"

Final checklist for success:

If using an ISO: Right-click the file and select Mount. This will assign it a virtual drive letter (e.g., D:).