I DL a port scan called "7th Sphere Portscan 1.1"
but no instuction where with it so can anyone tell me what its used for?

that is like one of the oldest scanners out there. Get something better. And you don't need instructions, you just need to know what the heck port scanning is.

http://www.insecure.org/nmap/index.html

That's what you want

wow, never knew nmap was for windows either
I have nmap for my crappy free linux comp i got.

heheh installing it as we speak