From a Home screen, navigate: Apps icon > Settings > Accounts.
Tap Add account.
Tap Create Account (lower-left).
Enter your first and last name then tap Next.
Enter your birthdate and gender then tap Next.
Enter a username then tap Next.
Enter a password, re-enter the password to confirm it then tap Next.
The password must be at least 8 characters.
On the 'Add phone number' screen, tap Skip (lower-left).