How to transfer id to a new computer if it's possible?

[Raraka]

If you log into the same Steam account on the new computer, you should be able to use the same account as you had in the previous one

[MelFleetwood]

So just download the game using my steam account on the new computer and enter the same id?Phew I was really worried.Anything else I need to do?My freind metioned carrying data over I think...