Meet Emma, a software developer who's been tasked with setting up a legacy application on a brand-new Windows 11 machine. The application relies heavily on .NET 3.5, which, to Emma's dismay, is no longer included in Windows 11 by default. In fact, Windows 11 comes with .NET Framework 4.8 pre-installed, but .NET 3.5 is nowhere to be found.

If you are in an environment without internet access or need to deploy this across multiple machines, a standard online installation through isn't an option. Below are the most reliable methods for an offline installation. Method 1: Using Windows 11 Installation Media (Recommended)

With .NET 3.5 now installed on her Windows 11 machine, Emma is able to run her legacy application without any issues. She's relieved that she was able to find a solution, albeit a bit unconventional.