React Router is a standard library for routing in React applications. It enables the navigation between different views (components) of a React application, allowing you to build a single-page application with multiple "pages" or views.

Here's a basic overview of using React Router:

Installation:

You can install React Router using npm or yarn:
or

Usage:

1. BrowserRouter:
Wrap your application with the `BrowserRouter`. This component uses the HTML5 history API to keep your UI in sync with the URL.

2. Route:
Use the `Route` component to define what component should be rendered based on the current URL.
 

3. Switch:Wrap your `Route` components with a `Switch` to ensure that only one route is matched.

4. Link:
Use the `Link` component to create links between different views in your application.