The default version of this project is dotnetcore 2.2. You can download the latest version here: https://dotnet.microsoft.com/download
In Visual Studio/Project Rider, specify a command line argument pointing to the json file you want to replay.
e.g. ../../../../../data/basic.json
For Linux or Mac: ./run.sh [path to json file]
eg ./run.sh ../data/basic.json
For Windows: dotnet run --project cli [path to json file]
eg dotnet run --project cli ..\data\basic.json