You will open the Gmail account.
If you want to change your password, you will change it by altering Gmail settings. Mean, you will go the option of Gmail settings and click on the CHANGE PASSWORD button. Or, if you have forgotten your Gmail password, you will choose the option of Gmail password reset by clicking on the settings option.
When you will click on the password reset button, you will enter a strong password twice to confirm a new password.
Doing this, you will be able to reset your Gmail password in an easy manner.