React Router v6 is a comprehensive routing solution for React applications, offering features like URL path-based routing, nested routes, and a simplified API compared to its predecessor. This guide outlines how to implement routing in single-page applications using React Router v6, demonstrating its use with practical examples including creating routes, handling nested routes, and setting up a 404 view. The tutorial also covers the use of various routers such as BrowserRouter and HashRouter, and explains the migration from React Router v5 to v6, highlighting improvements like reduced bundle size and more consistent APIs. Additionally, it introduces the concept of protected routes to restrict access based on user authentication, using React Router's Navigate component for redirection. The guide provides a practical walkthrough by creating a simple blog application and includes instructions on setting up a navigation menu, accessing dynamic URL parameters, and utilizing the useRoutes Hook for a functional approach to routing.