You should be able to get GF working on any modern system as long as it isn't a 64bit processor, in which case there seems to be some problems that cripple it. Windows Vista's presumably better support for older software might help, but at the moment it's a bit of a show stopper. Unless somebody's come up with a solution that I missed, anyway!
As for your profile, you can do all sorts of stuff here
. You can get to the same place by hitting the 'user cp' link at the very top of each page.