We start by explaining how to sign up for a Google Apps subscription and then how to activate it. In the next section, we review the principal administration tasks. Managing user accounts is certainly the most important one. We describe the key settings of a Google Apps domain and various advanced settings like those related to integration within an SSO domain or to Google Analytics. The settings specific to applications are covered in the last section.
Google Apps exists in three editions: The Standard Edition, the Premier Edition, and the Education Edition. Here is a short summary of the features available in each of the three versions: