Once installed, check the Addons menu in. You can install them by copying them to ` \Steam\steamapps\common\left 4 dead 2\left4dead2\addons\`. To install maps and mods through the Steam Workshop: Click on the 'Add-ons' option to load all installed addons. Go to your Steam Library and find your game 'Left 4 Dead 1 / 2' 2. It's a very simple step by step guide, and should help many people who are. This guide is to help people install mods to left 4 dead 1 & 2.
