1. IMPORTANT: Close Left 4 Dead 2 before install

2. Download ANY VPK file.

3. Put the vpk in the Left 4 Dead 2 addons folder. (C:/Program Files (x86)/Steam/steamapps/common/Left 4 Dead 2/left4dead2/addons)

4. Make sure the map is checked in the addons section of your game in the main menu.

5. You'll be all set. Go into a Heizemod server and type !mapvote