Download Left 4 Dead 2 Build 4017680 Dlcs M... -

: Open the SmartSteamEmu.ini file in a text editor to change the language settings if necessary. Installing Custom "Add-on" DLC (Mods)

: Run the installer provided in the download. This build is approximately 13 GB and typically includes all DLCs pre-installed. Download Left 4 Dead 2 Build 4017680 DLCs M...

For additional community content beyond official DLCs, you can use the or manual installation: : Open the SmartSteamEmu

Locate the folder named SmartSteamEmu_v1.4.3_for_L4D2 inside your game directory. Download Left 4 Dead 2 Build 4017680 DLCs M...

: Adds the "Sacrifice" campaign and allows playing as L4D1 survivors in L4D2.

: A 3-chapter campaign featuring a crossover between L4D1 and L4D2 survivors.

Unlike the Xbox 360 version where content costs money, all major expansions for the PC version are delivered through standard Steam updates: