I am losing you on this "it doesn't ask me for a wep key" What or who is "it"?
You mean when you try to access the router software??
In that case, you , by the defaults, will not need a name. Just type admin in the password box.
The Wep part of it comes much later, and should not be needed (again by default) to get the internet conection. It only applies after you have enabled security.
Operating System I own one hi spec laptop, but constantly have four or five different models running in the house.
Computer Type Changing almost daily.
CPU Type and Speed See above
Anti-virus Software Anything currently testing
Computer Skill Level Certified Professional