Does the .Net Framework 4.0 Installer include the .Net Framework 3.5?

Question

Do .Net components that were compiled against the .Net Framework 3.5 run on a system that has only .Net Framework 4.0 installed?

Or in other words, does the .Net Fra

Answer 1

See: .NET Framework Versions and Dependencies

This gives a clear picture what is included in each version of .Net. Also,

You do not have to install previous versions of the .NET Framework or the CLR before you install the latest version; each version provides the necessary components.