Flutter is usually installed(per illustrations) in.

C:\src\Flutter

For Windows Installation...

You can try running flutter doctor for other installation issues. Hope this helps!

Flutter is usually installed(per illustrations) in.

C:\src\Flutter

For Windows Installations...

You can try running flutter doctor for installation issues. Also run flutter upgrade to get the latest version of Flutter and Dart SDKs.

DART SDK can be found at

/flutter/bin/cache/dart-sdk