Once you are on the matrix page you need to log in (or create an account if you are new to the site) Then click on "my account" - top of screen towards the left (font is not that big) Once in your account click on "my products" - top of screen towards the left (font is not that big) This will take to you to a screen with a heading "mr registered games" at the top. On the right hand side is a link under meber services to "register my game"
You only need to install the latest official patch (1.10e) and then add the 1.10e quick fix. It already contains all the fixes of previous patches. Enjoy the game! It's my favorite of the AGEOD! Regards!