Need Help///

some basic questions..
i've bought 0.5 log on the Topsont webside
and received an email from Cruiser Suite ,said that :
Your Cruiser Suite Account will give you access to Cruiser Suite services, content and benefits.

Your Cruiser Suite Account Login Name is iorange

To confirm the Registration, please follow this link:
http://cruisersuite.home.pl/default....zfyobybrl&op=1
Sincerely,

...
and i followed the steps to do that so..

now i can log in the C.S. webside..but
how can i use the D-Client prog.?>.<
i tried to fill in the "user" & "password" blanks with my username and pswd in the Client program...but it said that "unknown user name or incorrect password.."
er...
i 'm exactly a beginner to use paid programs.
so if anyone could give me some help....
thx.so much.~~~~

>.<..sorry 4 my poor english.... -。-