1.  Logon to AWS as the root user at URL:  https://signin.aws.amazon.com/

2.  Prove that you are not a machine.

3.  Provide you password

4.  Retrieve you code from your email account and enter it.

5.  Type IAM in the search bar and select IAM Console.

6.  On the left hand menu bar, scroll down and select Account settings.

7.  On the next page, select custom.   And select any options you desire for your password requirements.  To Complete, select Save Changes.