How to make l4d2 to work ...

In this torrent you have 2 patch 
Master update to 2.0.1.1.
and standalone update T9.6

Install master update, and then standalone ... thats it ... 

If you want to play online ... go to garena.com and download garena.
Register and play ...

Any questions ??? go to http://fps.garena.com/forum/viewthread.php?tid=610317&extra=page%3D1    - tutorials how to make your game work