To use Nylo you'll need to already have Flutter installed. You can check out the Flutter docs for how to get set up.
Minimum Flutter version: v2.5.0
Minimum Dart version: v2.12.0
You can check your Flutter version by running the below command.
If your version is not higher than v2.5.0 then you can run the below to get on a stable release.
flutter channel stable flutter upgrade flutter doctor -v