Open the Start Menu type msconfig in the search line press Enter. If you have not already, you must enable password expiration for each user account that you want to have their password expire after the maximum password age.Aug 11, · NOTE: This option is available for all Windows 7 editions. Log in to the user account that you want to change the maximum and minimum password age for. Open an elevated command prompt in Windows 7 or Windows 8. ( see screenshot above) 4. Select a listed operating system that is not already set as the Default OS click on the Set as default button to make the selected OS the new default instead.