What is Microsoft.net framwork used for?

Question

I have like 1.1, 2, and 3 installed o.o n it says used rarely.. so idk do i need it or not, but can you explain what is it used for?

thanks.

Answer 1

It includes a large library of pre-coded solutions to common programming problems, a runtime or virtual machine that manages the execution of programs written specifically for the framework, and a set of tools for configuring and building applications.

Answer 2

The Microsoft .NET Framework is a software technology that is available with several Microsoft Windows operating systems. It includes a large library of pre-coded solutions to common programming problems, a runtime or virtual machine that manages the execution of programs written specifically for the framework, and a set of tools for configuring and building applications. The .NET Framework is a key Microsoft offering and is intended to be used by most new applications created for the Windows platform