Yes, includes .NET 2.0 and 3.0 as it is a cumulative update.
Are you running into a specific while trying to enable .NET 3.5 on your machine? net framework 35 includes net 20 and 30 download link
When you install .NET Framework 3.5, you are also installing: .NET Framework 2.0 (with Service Pack 1 or 2) .NET Framework 3.0 (with Service Pack 1 or 2) Yes, includes
When version 2.0 arrived in 2005, it introduced the core "engine" known as the . A year later, version 3.0 was released, but instead of replacing the engine, it simply added new "rooms" to the house—features like Windows Presentation Foundation (WPF) and Windows Communication Foundation (WCF) . The Master Bundle version 3.0 was released