Download Net Framework 3.5 Windows 10 64 Bit Offline Installer [repack] May 2026

Download .NET Framework 3.5 for Windows 10 (64-bit) — Offline Installer

Overview

.NET Framework 3.5 (which includes 2.0 and 3.0) is required by some older applications and installers. Windows 10 includes .NET 3.5 as an optional Windows feature; you can install it online via Windows Update or offline using an installer or Windows installation media. This article explains safe offline installation methods for Windows 10 64-bit.

Step 2: How to Install .NET Framework 3.5 on Windows 10 64-bit (Offline)

Once you have the offline source (either the official .exe or the sxs folder), follow these steps. Download

Although .NET Framework 3.5 was released in 2007, it remains a vital component for many legacy applications. Some software, especially older games and enterprise applications, rely on this version to run smoothly. Moreover, .NET Framework 3.5 includes several features and libraries that are still used today, such as Windows Presentation Foundation (WPF), Windows Communication Foundation (WCF), and Windows Workflow Foundation (WF). Administrator Rights: You cannot install

  1. Administrator Rights: You cannot install .NET 3.5 as a standard user.
  2. Correct Windows Media: A Windows 10 ISO or USB that matches your OS version (Home/Pro) and architecture (64-bit).
  3. Sufficient Storage: The installation requires roughly 230 MB of free disk space.

Installing .NET Framework 3.5 on Windows 10 (64-bit) without an active internet connection typically requires using Windows 10 installation media (such as an ISO file or USB drive) or the official Standalone Installer if you can download it beforehand from another machine. Method 1: Using Windows 10 Installation Media (Recommended) Installing

Download the Package: Go to the official Microsoft Download Center and search for "Microsoft .NET Framework 3.5." Download the full package (approx. 231 MB).

  • /Online: Targets the running operating system.
  • /Enable-Feature /FeatureName:NetFx3: Specifies .NET Framework 3.5.
  • /All: Enables all parent features.
  • /LimitAccess: Prevents Windows from contacting Windows Update (critical for offline machines).
  • /Source: Tells Windows exactly where to find the files on your installation media.

which acts as a standalone installer for older systems, though modern Windows 10 versions generally prioritize the media-based DISM method for stability. Do you have the Windows 10 ISO file bootable USB ready to use as your installation source? Install .NET Framework 3.5 on Windows 10 - Microsoft Learn