A web browser is a piece of software that lets people surf the Internet. They allow users to visit websites and perform activities on those sites, such as clicking on links, viewing media, and more. A number of different browsers are available, and everyone has their favorite. The most popular include Google Chrome, Mozilla Firefox, Safari and Opera from Apple, and Microsoft Internet Explorer. Sometimes, the browser people use will depend on the system that they are using. If they are on a Mac, for example, they will use Safari. Those who are on PC could use Chrome, IE, or Firefox.