If you are a new user and want to Login Xfinity Account then by mentioning username or email address and password you can do login. While entering the login credentials be careful as if you will enter the wrong credentials then you will be not able to complete the login procedure. If you need any help regarding login then feel free to contact at 1-833-554-7444. https://www.supportforhelp.net/blog/xfinity-login/