Ive assembled some help to get you up and running. Please contact us if you need any further help.
https://explicitcoder.com/how-to-install-microsoft-visual-studio
https://explicitcoder.com/how-to-run-a-csharp-project
https://explicitcoder.com/what-is-a-csharp-solution
https://explicitcoder.com/what-is-a-csharp-project
https://explicitcoder.com/csharp-entry-point
https://explicitcoder.com/csharp-namespaces