Open Gmail or go to accounts.google.com
Click Create account
Select For my personal use
Enter your first and last name
Choose a new username for the second Gmail address
Create and confirm a password
Click Next
Enter your phone number if prompted
Verify the code sent to your phone
Enter a recovery email if desired
Add your date of birth and gender
Click Next
Review and accept Google’s terms
Open Gmail with the new account
Use the profile icon to switch between accounts