Apple account needs to verify two stage authentications to confirm your identity one is your existing pin and other in activation code. Apple send activation code directly to the email used to login apple account and activation code would be sent on emails and the email contain steps to activate the ID.
If you are not logged in to your apple email and need to know the best procedure to login read blog on How to Configure Apple Email Account on Mac. To verify your apple account on a new device follow and performs all the methods mentioned in the blog to verify apple id and password.
METHOD1: USE DISPLAY CODE FOR TRUSTED DEVICE
Step1: Open apple account log in page and enter apple login ID and password.
Step2: There must be a sign in notification seen on the trusted device already logged in to that ID.
Step3: Tap allow button shown in your trusted device to receive verification code.
Step4: Now type the verification code in your new device delivered to the trusted device.
METHOD2: GET VERIFICATION CODE IN TEXT OR CALL
Step1: On sign in screen tap didn’t get verification code and select trusted device on your new device.
Step2: Select the option to receive verification code via message or on call.
Step3: Enter the code to complete sign in.
METHOD3: GET CODE FROM TRUSTED DEVICE SETTINGS
Step1: Open settings in your trusted device and tap on the name of apple ID and in some devices navigate to preferences.
Step2: Press password and security and select get verification code.
Dial toll free +1-888-488-2930 to get in touch with independent technical support for Apple customer support number 24*7 for customers in United States of America and Canada. The best solution by certified professionals is proposed to solve verification issue in Apple Devices faced while logging in to a new device. Team is trained and certified and working to solve various issues faced in Apple devices.