Open a Google Chrome Incognito Window (Ctrl+Shift+N or Cmd+Shift+N) or a different browser entirely.
Remember that for one inbox, you don't need a new account—you can use username+anything@gmail.com to create filters. To make sure you get the best setup, are you: Creating a personal account or a business account ? Using a computer or a mobile device ? login-new-gmail-account
Google will ask for a phone number and a recovery email address . Open a Google Chrome Incognito Window (Ctrl+Shift+N or
Choose a unique username. If it's taken, add a small variation, such as a number or a period. Using a computer or a mobile device
Before creating a new account, it is best to avoid confusion with existing accounts.
If you prefer, you can use a non-Gmail email address (like Yahoo or Hotmail) to create a Google Account.