PC gaames and 360 online

If i play Cod 4 online on my Pc or left for dead or even Cod 5 will i be able to play with my friend who playes on a 360?

Also how do i install a wired 360 controller? 

only a handful of games have cross platform support, off the top of my heard it's

shadowrun, lost planet colonies and Universe at War.

ooooook

so how do i install a wired 360 controller? 

ooooook

 

so how do i install a wired 360 controller? 

gianluca24

I don't know if you can take a 360 controller from a 360 and use a USB adapter to plug it into PC. If you haven't already go buy a 360 controller for PC, plug it in via USB, install the drivers on the disc that come with it, and then proceed to play games.