Registering a Google account allows you to download and purchase content in the Google Play Store, access email through the Gmail application, receive personalized Google Search results, and have your account automatically logged in for all other Google based services on your device.
From the home screen, tap Settings.
Scroll to, then tap Add account.
Tap Google.
Tap Existing. Note: If you need a Google account, tap 'New' and follow the on-screen prompts, or visit https://accounts.google.com/SignUp.
Enter the account email address, then tap Next.
Enter the account password, then tap Done.
Tap OK.
Change options as desired, then tap the Next icon. Note: If Join Google+ is displayed, tap 'Not Now'. To set up Google+ later, tap Apps > Google+.
The account is now ready for use. Tap Google to adjust account settings.