Download Net Framework 35 Offline Installer For Windows 10 11 Free [patched] (2026)

This method is best if you have no internet access on the target PC. You will need a Windows 10 or 11 ISO file or a bootable USB drive. Microsoft Learn Mount the Media : Right-click your Windows ISO file and select , or insert your Windows installation USB/DVD. Identify the Drive Letter File Explorer and note the drive letter of the mounted media (e.g., Run Command Prompt as Admin : Search for , right-click it, and select Run as administrator Execute the DISM Command : Type the following command, replacing with your actual drive letter, and press

Windows 10 and 11 come with .NET Framework 4.8 (or 4.8.1) pre-installed. However, .NET 3.5 is not fully installed by default . It is a "Windows Feature" that must be turned on.

Q: Can I uninstall the .NET Framework 3.5 if I no longer need it? A: Yes, you can uninstall the .NET Framework 3.5 if you no longer need it. However, be aware that some applications may rely on this version to function properly. This method is best if you have no

Press Win + R , type appwiz.cpl , click Turn Windows features on or off . Confirm is checked.

Microsoft offers the full Service Pack 1 (SP1) package, which can be downloaded and used as an offline installer. Identify the Drive Letter File Explorer and note

: Search for cmd , right-click it, and select Run as administrator .

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: Q: Can I uninstall the

Adds language-integrated queries and data optimization tools.

| Issue | Solution | |-------|----------| | “Source files not found” | Your Windows media must match the installed on your PC. Download the correct ISO from Microsoft using the Media Creation Tool. | | Error 0x800F0954 | Group Policy is blocking the install. Use Method 2 with local media. | | “DISM error 0x800f081f” | The sxs folder path is wrong. Browse to D:\sources\sxs manually to ensure it exists. |

For system administrators or power users who prefer PowerShell over the traditional Command Prompt, you can quickly invoke the installation of .NET 3.5 using deployment cmdlets.

The guide below uses the official Microsoft DISM tool built into Windows.