Google Chrome is a web browser like Internet Explorer and Firefox which has been built by Google. It is one of the most popular browsers available today and, together with Google Apps and other online services you can do much of what you would need other software to do in just the browser. In fact you can now get PCs which only run Chrome called Chromebooks which are cheaper, faster and easy to use compared with traditional PCs.
Google Chrome has been designed to work seamlessly with Google Apps such as Drive, Docs & Classroom. You will have the best experience in these products when using Chrome.
Signing into Google Chrome means that all your settings, apps and bookmarks are available on every computer you use. It also keeps you signed into Google so you don't have to keep entering your username & password each time.
Watch the video to learn how to sign into Google Chrome. More information is available here: https://support.google.com/chrome/answer/185277?co=GENIE.Platform%3DDesktop&hl=en