The solver can be used online through any browser, it needs Node.js to run offline.
These instructions can be executed on Windows systems, but similarly you can perform the steps on other systems.
npm install -g create-react-app on terminal.create-react-app my-app.cd my-appnpm i jquery --savenpm start and the app will be showed on http://localhost:3000.
If nothing appears, just wait for the initialization times.