Setup environment and Resharper

To write C# code, you need Microsoft Visual Studio. Visual Studio comes in different editions:
Community, Professional and Ultimate.

As an individual, or a student or a small team, you can download Visual Studio Community Edition
for free and build your free or paid apps with it. To download Visual Studio Community Edition,
please visit:

https://www.visualstudio.com/en-us/products/visual-studio-community-vs.aspx


ReSharper is a commercial plug-in for Visual Studio.

Reference

You don't need to have ReSharper, but having it installed, helps you write code a lot faster with less work.
You can get a free 30-day trial version of ReSharper if you like to use it.



If you're a student or work in open-source projects, you can get a free license.