Open the Facebook app or go to facebook.com
Tap or click Create new account
Enter your first name and last name
Enter your date of birth
Select your gender
Enter your mobile number or email address
Create a password
Tap or click Sign up
Verify your email address or phone number with the code sent by Facebook
Complete your profile details if needed
Log out of the current account if you want to switch between accounts
Use the login screen to sign in with the new account credentials