with NFPS and Rocket service, the Login is the User ID and Password and both are the 12 digit donation number.
with iptv66 service, the Login is the User ID and Password and both are the 13 digit route number (or donation number, iptv66 just uses different terminology and one extra digit for this).
Your Order number or Order ID is 16 digits for all services.
Your Client ID would be something you would have (or should have) if you have boughten from a reseller and not directly from the service websites. If direct from service, then you do not need a Client ID