Visual Studio Code is a first code editor which runs on desktop & also available for cross platform like Windows, OS X and Linux.

This totally new Code editor comparing with Visual Studio 2015

1. VS Code runs on Cross Platform where VS 2015 runs only on Windows
2. Lightweight

 

Go to > https://code.visualstudio.com/

Download & run the setup file.

After finishing setup, run the application.

First Look:

Now open an existing application

Select application folder it will load all resource in explorer.

Here we need to enable particular extension for editing support , like below warning while we are trying to open a .cs file.

Top Extensions

Install & Enable Extension: 

Click ok to enable extension.

Now we are in c# editor.

Get more details here