You cannot rely on the web installer. Microsoft’s web bootstrapper for .NET 4.0 is now broken or redirected to newer versions (4.6.2+). When you run the web installer on Windows 7 SP1 today, you get one of two outcomes:

Follow these instructions precisely to install .NET Framework 4.0.3019 on your Windows 7 64-bit PC without an internet connection.

Key facts:

If you are searching for , you are likely not a casual user. You are an archivist, a legacy system engineer, or a developer maintaining a piece of software history. You are staring into the abyss of dependency hell.