**Make sure you have installed Visual C++ 2008 or higher and Framework 3.5 or higher.
1. Install SFK Complete Standalone game Using L4D2SFKSetup.exe, you must wait until the conversion of audio is finished [20min - 1 hour].
2. Go To the Forum And Install Any Updates That May Have Been Released
3. Install The Latest Standalone Patch From The Forum.
4. Start Your Game Using The Provided Shortcut On Your Desktop, startmenu Or left4dead2.exe In The Main Game Directory