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A Windows 10 or Windows 11 ISO file, DVD, or bootable USB drive that matches your operating system version. Administrator privileges on the computer. Step-by-Step Instructions
Introduced advanced communication and presentation foundations.
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Method 2: Create a Local Offline Installer Using Windows Media This public link is valid for 7 days
Right-click your Windows 10 or Windows 11 ISO file and select Mount . If you are using a physical USB drive or DVD, insert it into your computer.
If you have a Windows 10 or 11 USB drive or ISO file handy, you can instruct Windows to pull the files directly from there using the Deployment Image Servicing and Management (DISM) tool. This is widely considered the most robust offline method.
– right‑click the downloaded EXE → Properties → Digital Signatures tab. It should show “Microsoft Corporation”.
| File | Source | Size | |------|--------|------| | dotnetfx35.exe | Microsoft Download Center | ~231 MB | | Windows 10/11 ISO (optional) | Microsoft Media Creation Tool | ~5 GB | Can’t copy the link right now
You need to deploy the framework across without downloading it every time. Method 1: Enabling via Windows Features (Semi-Offline)
This installer may still try to fetch some components from Windows Update. If that fails, use Method 2 .
If your computer is connected to the internet but the app installer is failing, try the built-in Windows feature toggle first.
Method 3: Downloading the Official Executable (Requires Temporary Internet Access) Administrator privileges on the computer
The .NET Framework 3.5 is an older version of the .NET Framework that was widely used in the early 2000s. Although it's been succeeded by newer versions, such as .NET Framework 4.8, some applications and games still rely on version 3.5 to function. This is often the case with:
The progress bar will climb to 100%. Once done, you will see a message stating, "The operation completed successfully." Method 2: Download Free Third-Party Offline Installer Tools
Click Apply, restart your computer, and run the Method 1 DISM command again. Verifying Your Successful Installation
: Secure corporate networks, server environments, and industrial computers are frequently disconnected from the public internet for safety.