Is it possible for me to do this on Steam

Ok so my desktop is getting fixed, meanwhile, I wanna take advantage of the 30% off offer on Half Life 2, could I buy it on my steam account on my laptop and then download it on my PC when I get it back? Thanks alot!

Yes, that's the whole point.

As long as you remember your log in details.

Great thing about steam... You can download it as many times on as many different computers as you want... Simply need to be logged in to play it...