# AEC C# Starter > If you're trying to run this you should have the .NetCore3.1 Runtime installed ## Running This is a `dotnet core 3.1` console app, so just run: ```shell dotnet run ``` ## Creating your own This is quite simple, just create a new console app: ``` dotnet new console -f netcoreapp3.1 ``` And then add `Speckle.Core` as a dependency ``` dotnet add package Speckle.Core --version 2.1.22 ```