From the home screen, tap the Menu key.
Tap System settings.
Scroll to and tap Accounts & sync.
Tap ADD ACCOUNT.
If you do not have a Google account, tap New.
To sign in with an existing Google account, tap Existing.
Note: A Gmail address is considered a Google account.
Enter the Email and Password for the Google account and tap Sign in.
If desired, enter credit card information to Enable purchases through Google Play, and then tap Save.
If not, tap Skip.
Read the Backup and restore message and tap Next.
The Google account is now added.
To set up specific sync settings, tap the Google account.
Tap to check or uncheck the DATA & SYNCRONIZATION settings as desired.
Once finished, tap the Back icon.
Google synchronization is now set up.