Generate Vouchers (username & Password) in numbers only

Hello Gentlemen,

i’ve a network which the users are unfortunately not used to use english letters is prefered to use only numbers, thus i want to


1- Generate the vouchers in numerical format i.e. username and password to be numbers only.
2- delete all expired/used vouchers from the system after 7 days of using it.

thank you for your support

Both of these requirements are available to you is you use the software that I have written for this
It can be downloaded here http://www.softreg.co.uk/HSGAccountTicketGenerator/