Ok, I just picked up Fritz Grandmaster Challenge II from Target today. I have Chessmaster for the xbox, but I didn't have anything for my laptop. Plus is was only $5 on sale.
Problem is, there isn't a serial number as the cd didn't come with a printed manual. I guess I need it to play online. In addition, when I go to File>Databases and go to any of the tabs, it asks me to install big key, small key or empty key. Well I installed Big Key on most of them (I don't know what that even means) but on one I accidentaly hit empty key. I don't know how to go back and install the big key on it.
Can anyone help out here? I have gone to chessbase.com but they are fairly unhelpful.
EDIT: Also there is a section for playing video, but it didn't come with any vids, whats the deal?