Download .net Framework 3.5 Offline Installer For Windows 10 11 !!hot!! Jun 2026

Right-click your Windows 10/11 ISO file and select Mount . (If you have a USB drive, plug it in).

Installing .NET Framework 3.5 offline on Windows 10 or 11 is straightforward once you understand that it's a Windows feature. The key is to use the DISM command-line tool and provide it with a valid source of installation files, either from a dedicated NetFx3.cab file or a Windows installation ISO.

Because cybercriminals know people search for "offline installer." They wrap malware into fake installers. The official method (ISO + DISM) is the only secure route.

Download the community-maintained dotNetFx35W10 installer. Extract: Extract the downloaded ZIP file to your desktop. Right-click your Windows 10/11 ISO file and select Mount

To download a true offline installer for .NET Framework 3.5 on Windows 10 or 11, you do not need to search for a mysterious third-party executable. Instead, you should:

You are installing on a machine that cannot connect to the internet.

Locate your Windows 10 or Windows 11 in File Explorer. Right-click the ISO and select Mount . The key is to use the DISM command-line

While I cannot link to third-party hosts directly (always verify checksums), trusted open-source repositories on GitHub maintain a tool simply called

You do not necessarily need a separate .exe file to install .NET 3.5 offline. You can use the Windows installation media (ISO or USB) to install it, which acts as the "offline source."

Group Policy restricts installation to Windows Update only. Fix: Open gpedit.msc -> Computer Configuration -> Administrative Templates -> System -> Specify settings for optional component installation and component repair. Set it to Enabled and check "Contact Windows Update directly to download repair content instead of Windows Server Update Services (WSUS)." Then re-run the DISM command. Download the community-maintained dotNetFx35W10 installer

: Insert your Windows USB or double-click your Windows ISO to mount it. Note the drive letter (e.g., D: ).

After running the command, you should see a progress indicator. When it reaches 100% and says, "The operation completed successfully," you can close Command Prompt and restart your computer to finalize the installation.

Trying to install this component via the standard Windows Update service frequently fails with cryptic error codes like 0x800F0906 , 0x800F0922 , or 0x800F081F —especially on machines with restricted or non-existent internet connections.