The DISM command works identically on Windows 10 (all versions) and Windows 11 (all versions).

A conflicting update or security policy is blocking the deployment.

: Press the Start button, search for cmd , right-click it, and select Run as administrator .

Windows 10 and Windows 11 require the .NET Framework 3.5 to run older desktop applications. Many legacy apps, games, and enterprise software utilities will refuse to launch without it.

Microsoft provides a direct, trusted offline installer for .NET Framework 3.5 SP1.

If you do not have installation media, you can download the full redistributable package from a computer with internet and then move it to your offline PC.

为了确保.NET Framework 3.5已经成功部署，可以通过以下两种方法检查。

: Prevents the tool from trying to download files from Windows Update.

If you have a Windows installation ISO, USB, or DVD, you can install it completely offline using the

Save the file with a .bat extension, for example, install_dotnet35.bat .

The ISO must match the exact version of Windows (Home/Pro) and build (e.g., 22H2) you are using.

Method 1: The Official Microsoft Offline Installer (Recommended)

Download Net Framework 35 Offline Installer For Windows 10 11 Free ((full)) -

The DISM command works identically on Windows 10 (all versions) and Windows 11 (all versions).

A conflicting update or security policy is blocking the deployment.

: Press the Start button, search for cmd , right-click it, and select Run as administrator .

Windows 10 and Windows 11 require the .NET Framework 3.5 to run older desktop applications. Many legacy apps, games, and enterprise software utilities will refuse to launch without it.

Microsoft provides a direct, trusted offline installer for .NET Framework 3.5 SP1.

If you do not have installation media, you can download the full redistributable package from a computer with internet and then move it to your offline PC.

为了确保.NET Framework 3.5已经成功部署，可以通过以下两种方法检查。

: Prevents the tool from trying to download files from Windows Update.

If you have a Windows installation ISO, USB, or DVD, you can install it completely offline using the

Save the file with a .bat extension, for example, install_dotnet35.bat .

The ISO must match the exact version of Windows (Home/Pro) and build (e.g., 22H2) you are using.

Method 1: The Official Microsoft Offline Installer (Recommended)