First method , here Apple ID id address is say example1@icloud.com
Change Apple ID password using find my iPhone .
On you iOS device , click on home . Scroll to next page > click on extras > you will find find my iPhone click on it , enter your Apple ID only , click on forgot Apple ID or password , click on next.
Reset options - choose how would you like to reset your password ( a )
Click on reset through mail and click on ok .
Then open your mail with web browser ( server account ) , open mail > click on reset password > two fields will be shown .
( a ) new password …..
( b ) verify password ….
Enter the credentials , and click on reset password , the password is changed .
If you click on - answer security questions - click on the right arrow .
Date of birth , verify your date of birth to continue > fill up the credentials > click on next and same pop up window will appear .
New password ….
Verify password ….
Fill up the credentials and click on reset password , the password is changed .
Second method .
Go to iforgot.apple.com see some screen shots and enter the credentials step by step .

Check the box of reset password .


Click on forgot password ?

If you check the box of get an email , and click on continue a mail will be sent on the rescue mail account , open that account ( with its mail address and password ) , click on reset password link and type new password , verify it and click on continue to get saved .
If you had checked the box of answer security questions and click on continue , it will prompt to enter date / month/ year enter it .

click on continue , enter one answer for security question , in the same way enter new password , verify it and click on continue to get it saved .