Go to mac id login page via official link below
Login using your username and password. Login screen appears upon successful login
If you still can't access mac id login then see Troublshooting options or contact us for help.
Your Apple ID is the account you use for all Apple services.
Open the Settings app. Tap Sign in to your [device]. Enter your Apple ID and password. If prompted enter the six-digit verification code sent to your trusted device or phone number and complete sign in.
Account Settings. Manage your Apple ID sign-in contact shipping and billing information. Apple ID and password; Shipping and billing
On your Mac choose Apple menu > Restart or press the Power button on your computer and then click Restart. Click your user account click the question mark in the password field then click the arrow next to "reset it using your Apple ID." Enter an Apple ID and password then click Next. Follow the instructions to reset your login password.
Choose Apple menu > System Preferences then click Apple ID. Click Password & Security. If you're asked to enter your Apple ID password click "Forgot Apple ID or password" and follow the onscreen instructions. You can skip the final steps below.
Sign in to iCloud to access your photos videos documents notes contacts and more. Use your Apple ID or create a new account to start using Apple services.
Password Recovery: Enter your login ID in the field below and click "Send". Your password "Hint" will be emailed to you. ID
Reset password. Mac could be stuck on the login screen after you forget Mac's password. If you've entered the wrong password too many times the system could be locked. Then the Mac won't accept the password even it's the right one. In this case you should reset your password first. Apart from other ways resetting your login password via ...