Go to Settings > Google. Enter your Google account's email address and tap Next. Go to Settings > Google. Tap the arrow ...

Your Google account password holds the key to so much of your online life—from your emails to your working documents and basically anything and everything you’re ...

You can add multiple Google accounts on your Android device. However, it considers the first account you sign in with as the default and uses it to sign you in across various Google apps and services.