Activision has announced that the PC version of Call of Duty 4: Modern Warfare is already available, for free, downloading new multiplayer maps.

These are the contents that were published recently in the console versions and incorporating new scenarios as a village devastated; a building communications Middle East, with areas open to enemy fire, the dark streets in Chinatown and, finally, a warehouse Training open, with limited possibilities for hiding.

It can be downloaded through the website of the game.