Sorry im not the smartest

[clear anvil]

I suggest you look up some React beginner tutorials. They will usually help you set up a development server and stuff

[summer mauve]

it's a bit too early to be jumping straight into mantine

like david said, start with beginner tutorials. the tic tac toe example on the react docs is a great start: https://react.dev/learn/tutorial-tic-tac-toe