A Google Account is a single login that lets you access Google products like Gmail, Google Groups, Picasa, and more. When you use your Google Account to sign in to your chrome books, you'll be able to access all of Google's web services with a single username and password.
Add a person to Chromebook
- On the sign-in screen, click Add person.
- Enter the Google Account email address and password, then click Next.
- choose a picture. You can update the picture after you sign in.