Sign into your Google Account from the prompted set-up screen.
OR
From the Home screen, tap Apps (in the Quick Access Bar) > Settings > Add account > Google.
If you have a Google account, tap Existing, enter your email address and password, then tap the Continue icon . Otherwise, tap New and enter the necessary information to create a new Google Account. Once you’ve set up your Google Account on your tablet, your tablet automatically synchronizes with your Google Account on the Web. Your contacts, Gmail messages, Calendar events and other information from these apps and services on the Web are synchronized with your tablet. (This will depend on your synchronization settings.) After signing in, you can use Gmail™ and take advantage of Google services on your tablet.