The Chrome web browser is a free software that allows you to find and visit websites on the internet. It is available for your computer as well as your phone. It was created by Google and integrates with all of Google’s services.
For your computer: https://bit.ly/2XVarue
For your Apple phone: https://apple.co/2VtBon7
For your Android phone: https://bit.ly/2yCzLum
See this guide to learn how to use an internet or web browser.
See this Getting Started with Chrome guide to learn about and set up Firefox.