From a Home screen, touch and swipe up to display all apps.
Navigate: Settings > Users & accounts .
Tap Add account .
Tap Google .
If presented, use the current security unlock method (PIN, password, etc.).
Enter the Gmail™ address then tap Next.
Enter the password then tap Next.
From the 'Google services' screen, tap any of the following to enable or disable then tap Next:
Enabled when a check mark is present.
Back up your device's apps, app data, settings, and Wi-Fi passwords using your Google Account
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If prompted to 'Set up payment info', tap No thanks then tap Continue (lower-right).
To set up payment info after adding a Google account:
From a Home screen, tap Play Store.
If unavailable, swipe up from the center of a Home screen then tap Play Store.