That link is a valid link but only for those people that have a program code. MOD employees access on a different route and need a password.
It is a good reminder that the program applies to any employee whose company is a member of the scheme. You are, of course, obliged to delete the program from your home computer if you leave the company or retire.
I have of course shredded my copy of Office 2003 now that I have 2007.