To execute project open project root folder and run the following command on terminal
dotnet run --project ExcelMVC/ExcelMVC.csproj
it will run project in your local machine
to get excel, open your browser and paste the generated link on your terminal logs and click on the button to download, or go to /api/country Endpoint
or open Postman and click in SEND AND DOWNLOAD d with the url pasted with the endpoint /api/country and method setted to GET