If you want to setup MongoDB with C#, then the best option is to follow the getting started guide on the MongoDB website
You can install the NuGet package for MongoDB by typing into the Package Manager Console
- “Install-Package MongoDB.Driver”
Although MongoDB does provide an example that you can work through, I did find that the MoveNextAsync command is no longer supported and the case fails.
I built a simple application that uses MongoDB CRUD application that works very well to show how it can be implemented.
Here is a helpful MongoDB tool to administer your Mongo database, Robomogo
On my searching to find good source of material I came across this nice video demo here https://youtu.be/ubwC63DwJ8w