If you chose not to create a Google account during set up, it's easy to create one.
Tip: The steps differ slightly depending on what Android™ operating system you are currently using. Please follow the relevant steps.
Android™ 8 Users
1. Go to Settings.
2. Tap Accounts > + Add Account.
3. Tap Google, then follow the on-screen instructions.
Tip: You must sign in to a Google account to use Gmail, Google Calendar, and to download and use other Google apps.