Gilded Rose starting position in C# NUnit Build the project Use your normal build tools to build the projects in Debug mode. For example, you can use the dotnet command line tool: dotnet build GildedRose.sln -c Debug Run the Gilded Rose Command-Line program For e.g. 10 days: GildedRose/bin/Debug/net8.0/GildedRose 10 Run all the unit tests dotnet test