HOW TO RESET PASSWORD ON MAC

Enter your Apple ID only in www.icloud.com and click on forgot Apple ID or password , a pop up window appears , enter the Apple ID in the empty field , and click on continue ( a ) it depends if the id is created with secondary authentication ( b ) or set up with two factor authentication .

You need the credentials to reset the password ,

Go to iforgot.apple.com enter only Apple ID and click on continue .

The rescue mail address is always added in the Apple ID account , sign in with Apple ID account , if it is not yet added create a web mail account say with gmail service .

Make sure this mail address and password should be totally different than your Apple ID address / password see the section of rescue mail address in this article https://support.apple.com/en-in/HT201356 in the same Mac open a new tab ( press command and T keys ) sign in with your gmail account here in the web mail account you will see this code , come to the old tab in which apple id account is already opened , fill up the code in the fields and click on done to save .

If you have checked the box ( b ) of answer security questions , in that scenario the password can also be reset using the month / day / year of your birthday ( click on the drop down arrows of month , day and year and fill up credentials ) .

An option will be shown ( a ) back ( b ) continue .

Verify your birthday to continue , fill up the credentials and click on continue , a small circle rotates

A window appears answer your security questions , fill up the credentials and click on continue , a small circle will rotate .

It will prompt.

Enter a new password ….

Verify password …..

Your password must be at least 8 characters , include a number , an uppers case letter , & a lower case letter .

So fill up the credentials it will show ( a ) back ( b ) continue .

Click on continue and save .

See the article https://support.apple.com/en-us/HT201487