Computers How Many Computers Can I Have Hooked Up To My High Speed Internet?

How many computers can I have hooked up to my high speed internet? - computers

I have through my broadband Internet phone company (ZoomTown) I just bought a new computer and I give my old computer to my brother. How do I connect two computers to the Internet. Do I have a different picture for the old phone company team, or do I configure a wireless network in my account?